| Name |
Description |
Abstract |
Status |
Publication date |
Edition |
Number of pages |
Technical committee |
ICS |
| ISO 9276-1:1990 |
Representation of results of particle size analysis — Part 1: Graphical representation |
|
Withdrawn |
1990-11 |
Edition : 1 |
Number of pages : 7 |
Technical Committee |
19.120
Particle size analysis. Sieving
|
| ISO 9276-1:1998 |
Representation of results of particle size analysis — Part 1: Graphical representation |
|
Published |
1998-06 |
Edition : 2 |
Number of pages : 9 |
Technical Committee |
19.120
Particle size analysis. Sieving
|
| ISO 9276-1:1998/Cor 1:2004 |
Representation of results of particle size analysis — Part 1: Graphical representation — Technical Corrigendum 1 |
|
Published |
2004-02 |
Edition : 2 |
Number of pages : 2 |
Technical Committee |
19.120
Particle size analysis. Sieving
|
| ISO 9276-2:2001 |
Representation of results of particle size analysis — Part 2: Calculation of average particle sizes/diameters and moments from particle size distributions |
|
Withdrawn |
2001-04 |
Edition : 1 |
Number of pages : 12 |
Technical Committee |
19.120
Particle size analysis. Sieving
|
| ISO/CD 13099-2 |
Colloidal systems — Methods for zeta-potential determination — Part 2: Optical methods |
This part of ISO 13099 specifies two methods of measurement of electrophoretic mobility of particles suspended in a liquid: video microscopy and electrophoretic light-scattering. Estimation of surface charge and determination of zeta-potential can be achieved from measured electrophoretic mobility using proper theoretical models, which are described in detail in ISO 13099-1.
|
Under development |
|
Edition : 2 |
|
Technical Committee |
19.120
Particle size analysis. Sieving
|
| ISO 9276-2:2014 |
Representation of results of particle size analysis — Part 2: Calculation of average particle sizes/diameters and moments from particle size distributions |
ISO 9276-2:2014 provides relevant equations and coherent nomenclatures for the calculation of moments, mean particle sizes and standard deviations from a given particle size distribution. Two notation systems in common use are described. One is the method of moments while the second describes the moment-ratio method. The size distribution may be available as a histogram or as an analytical function.
The equivalent diameter of a particle of any shape is taken as the size of that particle. Particle shape factors are not taken into account. Samples of particles measured are intended to be representative of the population of particles.
For both notation systems, numerical examples of the calculation of mean particle sizes and standard deviation from histogram data are presented in an annex.
|
Published |
2014-05 |
Edition : 2 |
Number of pages : 27 |
Technical Committee |
19.120
Particle size analysis. Sieving
|
| ISO 9276-3:2008 |
Representation of results of particle size analysis — Part 3: Adjustment of an experimental curve to a reference model |
ISO 9276-3:2008 specifies methods for the adjustment of an experimental curve to a reference model with respect to a statistical background. Furthermore, the evaluation of the residual deviations, after the adjustment, is also specified. The reference model can also serve as a target size distribution for maintaining product quality.
ISO 9276-3:2008 specifies procedures that are applicable to the following reference models: a) normal distribution (Laplace-Gauss): powders obtained by precipitation, condensation or natural products (pollens); b) log-normal distribution (Galton MacAlister): powders obtained by grinding or crushing; c) Gates-Gaudin-Schuhmann distribution (bilogarithmic): analysis of the extreme values of the fine particle distributions; d) Rosin-Rammler distribution: analysis of the extreme values of the coarse particle distributions; e) any other model or combination of models, if a non-linear fit method is used.
ISO 9276-3:2008 can substantially support product quality assurance or process optimization related to particle size distribution analysis.
|
Published |
2008-07 |
Edition : 1 |
Number of pages : 23 |
Technical Committee |
19.120
Particle size analysis. Sieving
|
| ISO 9276-4:2001 |
Representation of results of particle size analysis — Part 4: Characterization of a classification process |
|
Published |
2001-07 |
Edition : 1 |
Number of pages : 17 |
Technical Committee |
19.120
Particle size analysis. Sieving
|
| ISO 9276-4:2001/Amd 1:2017 |
Representation of results of particle size analysis — Part 4: Characterization of a classification process — Amendment 1: Additional explanations and minor corrections |
|
Published |
2017-10 |
Edition : 1 |
Number of pages : 2 |
Technical Committee |
19.120
Particle size analysis. Sieving
|
| ISO 9276-5:2005 |
Representation of results of particle size analysis — Part 5: Methods of calculation relating to particle size analyses using logarithmic normal probability distribution |
The main objective of ISO 9276-5:2005 is to provide the background for the representation of a cumulative particle size distribution which follows a logarithmic normal probability distribution, as a means by which calculations performed using particle size distribution functions may be unequivocally checked. The design of logarithmic normal probability graph paper is explained, as well as the calculation of moments, median diameters, average diameters, and volume-specific surface area. Logarithmic normal probability distributions are often suitable for the representation of cumulative particle size distributions of any dimensionality. Their particular advantage lies in the fact that cumulative distributions, such as number-, length-, area-, volume- or mass-distributions, are represented by parallel lines, all of whose locations may be determined from a knowledge of the location of any one.
|
Published |
2005-08 |
Edition : 1 |
Number of pages : 12 |
Technical Committee |
19.120
Particle size analysis. Sieving
|
| ISO 9276-6:2008 |
Representation of results of particle size analysis — Part 6: Descriptive and quantitative representation of particle shape and morphology |
ISO 9276-6:2008 specifies rules and nomenclature for the description and quantitative representation of particle shape and morphology. To achieve a more comprehensive description of a particle or particle system, particle size information can be used together with other information but, in most cases, the particle size information cannot be replaced.
The averaging of shape over all particles in a sample has been shown to be an ineffective approach. Distributions of other particle characteristics are required in addition to particle size distributions (see ISO 9276‑1).
The relevance, to technological applications, of any method of representing particle shape is the deciding factor in its use. Therefore this part of ISO 9276 is restricted to methods which can be correlated with physical properties in industrial applications.
The aim of particle analysis is to determine the most appropriate characterization method for a particular application. This implies a profound understanding of the relationship between particle characteristics and macroscopic product and process properties (or at least a database of broad empirical data).
Problems of shape and morphology would normally be three-dimensional problems, but most definitions in this part of ISO 9276 are in fact given for two dimensions because of the widespread use of image analysis methods.
|
Published |
2008-09 |
Edition : 1 |
Number of pages : 23 |
Technical Committee |
19.120
Particle size analysis. Sieving
|
| ISO 9277:1995 |
Determination of the specific surface area of solids by gas adsorption using the BET method |
Specifies the determination of the total specific external and internal surface area of disperse or porous solids by measuring the amount of physically adsorbed gas according to the method of Brunauer, Emmett and Teller (BET method). The BET method is applicable only to adsorption isotherms of type II and type IV. The BET method cannot reliably be applied to type I isotherms or to solids which adsorb the measuring gas.
|
Withdrawn |
1995-05 |
Edition : 1 |
Number of pages : 11 |
Technical Committee |
19.120
Particle size analysis. Sieving
|
| ISO 9277:2010 |
Determination of the specific surface area of solids by gas adsorption — BET method |
ISO 9277:2010 specifies the determination of the overall specific external and internal surface area of disperse (e.g. nano-powders) or porous solids by measuring the amount of physically adsorbed gas according to the Brunauer, Emmett and Teller (BET) method. It takes account of the International Union for Pure and Applied Chemistry (IUPAC) recommendations of 1984 and 1994.
The BET method is applicable only to adsorption isotherms of type II (disperse, nonporous or macroporous solids) and type IV (mesoporous solids, pore diameter between 2 nm and 50 nm). Inaccessible pores are not detected. The BET method cannot reliably be applied to solids which absorb the measuring gas.
A strategy for specific surface area determination of microporous materials (type I isotherms) is described in an annex.
|
Withdrawn |
2010-09 |
Edition : 2 |
Number of pages : 24 |
Technical Committee |
19.120
Particle size analysis. Sieving
|
| ISO 9277:2022 |
Determination of the specific surface area of solids by gas adsorption — BET method |
This document specifies the determination of the overall specific external and internal surface area of either disperse (e.g. nano-powders) or porous, solids by measuring the amount of physically adsorbed gas according to the method of Brunauer, Emmett and Teller method,[1] based on the 2015 International Union for Pure and Applied Chemistry (IUPAC) recommendations[3].
NOTE For solids exhibiting a chemically heterogeneous surface, for example, metal-carrying catalyst, the BET method gives the overall surface area, whereas the metallic portion of the surface area can be measured by chemisorption methods.
|
Published |
2022-11 |
Edition : 3 |
Number of pages : 22 |
Technical Committee |
19.120
Particle size analysis. Sieving
|
| ISO 9284:1992 |
Abrasive grains — Test-sieving machines |
Specifies the operational and technical requirements, and gives guidance on the installation, checking and maintenance of test-sieving machines. These machines are used for determining the size distribution of bonded and coated abrasive macrograins.
|
Withdrawn |
1992-06 |
Edition : 1 |
Number of pages : 4 |
Technical Committee |
19.120
Particle size analysis. Sieving
;
25.100.70
Abrasives
|
| ISO 9284:2013 |
Abrasive grains — Test-sieving machines |
ISO 9284:2013 specifies the operational and technical requirements of, and gives guidance on, the installation, checking and maintenance of test-sieving machines. Test-sieving machines are used for determining the size distribution of bonded and coated abrasive macrograins.
|
Published |
2013-04 |
Edition : 2 |
Number of pages : 4 |
Technical Committee |
19.120
Particle size analysis. Sieving
;
25.100.70
Abrasives
|
| ISO 12154:2014 |
Determination of density by volumetric displacement — Skeleton density by gas pycnometry |
ISO 12154:2014 specifies a method for rapid and efficient determination of the skeleton density of solid material samples of regular or irregular shape, whether powdered or in one piece, by means of a gas displacement pycnometer.
|
Published |
2014-04 |
Edition : 1 |
Number of pages : 11 |
Technical Committee |
19.120
Particle size analysis. Sieving
|
| ISO/TR 13097:2013 |
Guidelines for the characterization of dispersion stability |
ISO/TR 13097:2013 addresses the stability characterization of liquid dispersions (suspensions, emulsions, foams and mixtures thereof) for applications, such as new product design, optimization of existing products, quality control during processing and during usage of the product. The stability of a dispersion in the sense of ISO/TR 13097:2013 is defined in terms of the change in one or more physical properties over a given time period.
|
Published |
2013-06 |
Edition : 1 |
Number of pages : 15 |
Technical Committee |
19.120
Particle size analysis. Sieving
|
| ISO 13099-1:2012 |
Colloidal systems — Methods for zeta-potential determination — Part 1: Electroacoustic and electrokinetic phenomena |
This part of ISO 13099 describes methods of zeta-potential determination, both electric and acoustic, in heterogeneous systems, such as dispersions, emulsions, porous bodies with liquid dispersion medium.
There is no restriction on the value of zeta-potential or the mass fraction of the dispersed phase; both diluted and concentrated systems are included. Particle size and pore size is assumed to be on the micrometre scale or smaller, without restriction on particle shape or pore geometry. The characterization of zeta-potential on flat surfaces is discussed separately.
The liquid of the dispersion medium can be either aqueous or non-aqueous with any liquid conductivity, electric permittivity or chemical composition. The material of particles can be electrically conducting or non-conducting. Double layers can be either isolated or overlapped with any thickness or other properties.
This part of ISO 13099 is restricted to linear effects on electric field strength phenomena. Surface charge is assumed to be homogeneously spread along the interfaces. Effects associated with the soft surface layers containing space distributed surface charge are beyond the scope.
|
Published |
2012-06 |
Edition : 1 |
Number of pages : 27 |
Technical Committee |
19.120
Particle size analysis. Sieving
|
| ISO 13099-2:2012 |
Colloidal systems — Methods for zeta-potential determination — Part 2: Optical methods |
This part of ISO 13099 specifies two methods of measurement of electrophoretic mobility of particles suspended in a liquid: video microscopy and electrophoretic light-scattering. Estimation of surface charge and determination of zeta-potential can be achieved from measured electrophoretic mobility using proper theoretical models, which are described in detail in ISO 13099-1.
|
Published |
2012-06 |
Edition : 1 |
Number of pages : 19 |
Technical Committee |
19.120
Particle size analysis. Sieving
|
| ISO 13099-3:2014 |
Colloidal systems — Methods for zeta potential determination — Part 3: Acoustic methods |
ISO 13099-3:2014 describes in general electroacoustic effects that can be defined as high frequency electrokinetic phenomena.
Particular attention is given to two methods of measurement of electrophoretic mobility of particles suspended in a liquid at high concentration above 1 % v/v, colloid vibration current (CVI) and electric sonic amplitude (ESA), respectively.
Estimation of surface charge and determination of zeta potential can be achieved from measured electrophoretic mobility using proper theoretical models, which are described in detail in ISO 13099‑1.
|
Published |
2014-07 |
Edition : 1 |
Number of pages : 21 |
Technical Committee |
19.120
Particle size analysis. Sieving
|
| ISO/DIS 13100 |
Methods for zeta potential determination — Streaming potential and streaming current methods for porous materials |
|
Under development |
|
Edition : 1 |
Number of pages : 28 |
Technical Committee |
19.120
Particle size analysis. Sieving
|
| ISO 13317-1:2001 |
Determination of particle size distribution by gravitational liquid sedimentation methods — Part 1: General principles and guidelines |
|
Published |
2001-05 |
Edition : 1 |
Number of pages : 17 |
Technical Committee |
19.120
Particle size analysis. Sieving
|
| ISO/DIS 13317-1 |
Determination of particle size distribution by gravitational liquid sedimentation methods — Part 1: General principles and guidelines |
|
Under development |
|
Edition : 2 |
Number of pages : 67 |
Technical Committee |
19.120
Particle size analysis. Sieving
;
19.120
Particle size analysis. Sieving
|
| ISO 13317-2:2001 |
Determination of particle size distribution by gravitational liquid sedimentation methods — Part 2: Fixed pipette method |
|
Published |
2001-04 |
Edition : 1 |
Number of pages : 9 |
Technical Committee |
19.120
Particle size analysis. Sieving
|
| ISO 13317-3:2001 |
Determination of particle size distribution by gravitational liquid sedimentation methods — Part 3: X-ray gravitational technique |
|
Published |
2001-03 |
Edition : 1 |
Number of pages : 11 |
Technical Committee |
19.120
Particle size analysis. Sieving
|
| ISO 13317-4:2014 |
Determination of particle size distribution by gravitational liquid sedimentation methods — Part 4: Balance method |
ISO 13317-4:2014 specifies the method for the determination of particle size distribution by the mass of particles settling under gravity in liquid. This method is based on a direct mass measurement and gives the mass distribution of equivalent spherical particle diameter. Typically, the gravitational liquid sedimentation method applies to samples in the 1 μm to 100 μm size range and where the sedimentation condition for particle Reynolds number less than 0,25 is satisfied.
|
Published |
2014-11 |
Edition : 1 |
Number of pages : 14 |
Technical Committee |
19.120
Particle size analysis. Sieving
|
| ISO/CD 13317-5 |
Determination of particle size distribution by gravitational liquid sedimentation methods — Part 5: Optical gravitational technique |
This part of ISO 13317 describes and principles and proper use of gravitational photosedimentation techniques for the characterisation of dispersed phases of suspensions and emulsions. These techniques monitor the gravity-induced phase separation of particulate materials dispersed in liquids by recording photometric signals (i.e., intensity of transmitted or scattered light) as function of vertical position and/or measurement time. Recorded signals reflect the changes in local particle concentration due to sedimentation and can be easily transformed to distributions of sedimentation velocity. This computation does not demand essential preconditions and theoretical assumptions. The conversion of velocity into particle size (Stokes diameter) relies on the applicability of Stokes’ law. As fractionating technique, sedimentation analysis facilitates to distinguish between particle fractions of close sedimentation velocity. Accordingly, particle size distributions can be very finely resolved, which is an advantage compared to spectroscopic ensemble techniques. The measured distribution functions are intrinsically weighted by photometric quantities (e.g. light extinction or scattered light intensity). Yet, they are frequently converted into volume or number-weighted distribution functions by employing established models for light-particle interaction.
Gravitational photosedimentation facilitates the granulometric characterisation of dispersed materials of non-zero density contrast to the continuous phase, incl. solid particles and emulsion droplets. The available measurement range depends on dispersed and continuous phase properties and typically amounts to 200 nm – 100 μm for aqueous samples, whereas sedimentation velocity can be quantified for the range 0,6 µm/s – 10 mm/s. Also, the working range with regard to particle concentration is strongly affected by material properties and by particle size, yet it is typically well below 1 vol%. The data analysis relies on the assumption that all particles have the same density and comparable shapes and do not undergo chemical or physical change in the continuous phase.
In addition, gravity photosedimentation by scanning, or time and position resolved extinction allows to characterize the dispersion state regarding, e.g. clarification, segregation, agglomeration, consolidation and physico-chemical stability. Photosedimentaion is equally applicable to determine particle density as well as sediment and cream layer formation.
NOTE. This part of ISO 13317 can involve hazardous materials, operations and equipment. This part of ISO 13317 does not purport to address all the safety problems associated with its use. Explosion proof analysers are required when examining volatile liquids with a low flash point.
It is the responsibility of the user of this part of ISO 13317 to establish appropriate safety and health practices and to determine the applicability of the regulatory limitations prior to its use.
|
Under development |
|
Edition : 1 |
|
Technical Committee |
19.120
Particle size analysis. Sieving
|
| ISO/CD 13318-1 |
Determination of particle size distribution by centrifugal liquid sedimentation methods — Part 1: General principles and guidelines |
|
Under development |
|
Edition : 1 |
|
Technical Committee |
19.120
Particle size analysis. Sieving
|
| ISO 13318-1:2001 |
Determination of particle size distribution by centrifugal liquid sedimentation methods — Part 1: General principles and guidelines |
|
Published |
2001-03 |
Edition : 1 |
Number of pages : 16 |
Technical Committee |
19.120
Particle size analysis. Sieving
|
| ISO 13318-2:2001 |
Determination of particle size distribution by centrifugal liquid sedimentation methods — Part 2: Photocentrifuge method |
|
Withdrawn |
2001-12 |
Edition : 1 |
Number of pages : 15 |
Technical Committee |
19.120
Particle size analysis. Sieving
|
| ISO 13318-2:2007 |
Determination of particle size distribution by centrifugal liquid sedimentation methods — Part 2: Photocentrifuge method |
ISO 13318-2:2007 covers methods for determining the particle size distribution of particulate materials by means of centrifugal sedimentation in a liquid. Solids concentrations are determined by the transmission of a light beam. The resulting signal enables conversion to a particle size distribution.
The method of determining the particle size distribution described in ISO 13318-2:2007 is applicable to powders that can be dispersed in liquids, powders that are present in slurry form and some emulsions. Typical particle size range for analysis is from about 0,1 µm to 5 µm. The method is applicable to powders in which all particles have the same density and comparable shapes and do not undergo chemical or physical change in the suspension liquid. It is usually necessary that the particles have a density higher than that of the liquid.
|
Published |
2007-09 |
Edition : 2 |
Number of pages : 17 |
Technical Committee |
19.120
Particle size analysis. Sieving
|
| ISO 15534-1:2000 |
Ergonomic design for the safety of machinery — Part 1: Principles for determining the dimensions required for openings for whole-body access into machinery |
|
Published |
2000-02 |
Edition : 1 |
Number of pages : 12 |
Technical Committee |
13.110
Safety of machinery
;
13.180
Ergonomics
|
| ISO 13318-3:2004 |
Determination of particle size distribution by centrifugal liquid sedimentation methods — Part 3: Centrifugal X-ray method |
ISO 13318-3:2004 describes a method for determining the particle size distributions of homogeneous particulate material using centrifugal sedimentation in a liquid. Solids concentrations are determined by the attenuation of an X-ray beam. The resulting signal enables conversion to a particle size distribution.
The method of determining the particle size distribution described in this standard is applicable to powders which can be dispersed in liquids or powders which are present in slurry form. The typical particle size range for analysis is from 0,1 m to 5 m. The method is applicable to powders in which all particles have the same effective density, chemical composition and comparable shapes. Materials possessing elements with an atomic number greater than about 12 can be expected to produce adequate X-ray opacity. Particles should not undergo chemical or physical change in the suspension liquid. It is necessary that the particles have a higher density than that of the liquid.
|
Published |
2004-07 |
Edition : 1 |
Number of pages : 9 |
Technical Committee |
19.120
Particle size analysis. Sieving
|
| ISO 13319-1:2021 |
Determination of particle size distribution — Electrical sensing zone method — Part 1: Aperture/orifice tube method |
This document specifies the measurement of the size distribution of particles dispersed in an electrolyte solution using the electrical sensing zone method. This can include biologics such as cells, but also industrial particles such as carbon, cement, ceramic powders, metal powders, pigments and polymer powders. The method measures pulse heights and their relationship to particle volumes or diameters, and is applicable over the range (implementation dependant) from approximately 0,5 μm tο above 1 mm. This document does not address the specific requirements of the measurement of specific materials.
|
Published |
2021-03 |
Edition : 1 |
Number of pages : 34 |
Technical Committee |
19.120
Particle size analysis. Sieving
|
| ISO/FDIS 13319-2 |
Determination of particle size distribution — Electrical sensing zone method — Part 2: Tuneable resistive pulse sensing method |
|
Under development |
|
Edition : 1 |
Number of pages : 23 |
Technical Committee |
19.120
Particle size analysis. Sieving
|
| ISO 13319:2000 |
Determination of particle size distributions — Electrical sensing zone method |
|
Withdrawn |
2000-04 |
Edition : 1 |
Number of pages : 30 |
Technical Committee |
19.120
Particle size analysis. Sieving
|
| ISO 13319:2007 |
Determination of particle size distributions — Electrical sensing zone method |
ISO 13319:2007 gives guidance on the measurement of the size distribution of particles dispersed in an electrolyte solution using the electrical sensing zone method. The method measures pulse heights and their relationship to particle volumes or diameters, and it reports in the range from approximately 0,4 micrometres to approximately 1 200 micrometres. It does not address the specific requirements of the measurement of specific materials. However, guidance on the measurements of conducting materials such as porous materials and metal powders is given.
|
Withdrawn |
2007-07 |
Edition : 2 |
Number of pages : 37 |
Technical Committee |
19.120
Particle size analysis. Sieving
|
| ISO 13320-1:1999 |
Particle size analysis — Laser diffraction methods — Part 1: General principles |
|
Withdrawn |
1999-11 |
Edition : 1 |
Number of pages : 34 |
Technical Committee |
19.120
Particle size analysis. Sieving
|
| ISO 13320:2009 |
Particle size analysis — Laser diffraction methods |
ISO 13320:2009 provides guidance on instrument qualification and size distribution measurement of particles in many two-phase systems (e.g. powders, sprays, aerosols, suspensions, emulsions and gas bubbles in liquids) through the analysis of their light-scattering properties. It does not address the specific requirements of particle size measurement of specific materials.
ISO 13320:2009 is applicable to particle sizes ranging from approximately 0,1 µm to 3 mm. With special instrumentation and conditions, the applicable size range can be extended above 3 mm and below 0,1 µm.
For non-spherical particles, a size distribution is reported, where the predicted scattering pattern for the volumetric sum of spherical particles matches the measured scattering pattern. This is because the technique assumes a spherical particle shape in its optical model. The resulting particle size distribution is different from that obtained by methods based on other physical principles (e.g. sedimentation, sieving).
|
Withdrawn |
2009-10 |
Edition : 1 |
Number of pages : 51 |
Technical Committee |
19.120
Particle size analysis. Sieving
|
| ISO 13320:2020 |
Particle size analysis — Laser diffraction methods |
This document provides guidance on instrument qualification and size distribution measurement of particles in many two-phase systems (e.g. powders, sprays, aerosols, suspensions, emulsions and gas bubbles in liquids) through the analysis of their light-scattering properties. It does not address the specific requirements of particle size measurement of specific materials.
This document is applicable to particle sizes ranging from approximately 0,1 µm to 3 mm. With special instrumentation and conditions, the applicable size range can be extended above 3 mm and below 0,1 µm.
For spherical and non-spherical particles, a size distribution is reported, where the predicted scattering pattern for the volumetric sum of spherical particles matches the measured scattering pattern. This is because the technique assumes a spherical particle shape in its optical model. For non-spherical particles the resulting particle size distribution is different from that obtained by methods based on other physical principles (e.g. sedimentation, sieving).
|
Published |
2020-01 |
Edition : 2 |
Number of pages : 59 |
Technical Committee |
19.120
Particle size analysis. Sieving
|
| ISO 13321:1996 |
Particle size analysis — Photon correlation spectroscopy |
|
Withdrawn |
1996-07 |
Edition : 1 |
Number of pages : 20 |
Technical Committee |
19.120
Particle size analysis. Sieving
|
| ISO 13322-1:2004 |
Particle size analysis — Image analysis methods — Part 1: Static image analysis methods |
ISO 13322:2004 is applicable to the analysis of images for the purpose of determining particle size distributions. The particles are appropriately dispersed and fixed on an optical or electron microscope sample stage such as glass slides, stubs, filters, etc. Image analysis can recover particle images directly from microscopes or from photomicrographs.
Even though automation of the analysis is possible, this technique is basically limited to narrow size distributions of less than an order of magnitude. A standard deviation of 1,6 of a log-normal distribution corresponds to a distribution of less than 10:1 in size. Such a narrow distribution requires that over 6 000 particles be measured in order to obtain a repeatable volume-mean diameter. If reliable values are required for percentiles, e.g. D90 or other percentiles, at least 61 000 particles must be measured.
|
Withdrawn |
2004-12 |
Edition : 1 |
Number of pages : 39 |
Technical Committee |
19.120
Particle size analysis. Sieving
|
| ISO 13322-1:2014 |
Particle size analysis — Image analysis methods — Part 1: Static image analysis methods |
ISO 13322-1:2014 is applicable to the analysis of images for the purpose of determining particle size distributions where the velocity of the particles against the axis of the optical system of the imaging device is zero. The particles are appropriately dispersed and fixed in the object plane of the instrument. The field of view may sample the object plane dynamically either by moving the sample support or the camera provided this can be accomplished without any motion effects on the image. Captured images can be analysed subsequently.
ISO 13322-1:2014 concentrates upon the analysis of digital images created from either light or electron detection systems. It considers only image evaluation methods using complete pixel counts.
|
Published |
2014-05 |
Edition : 2 |
Number of pages : 24 |
Technical Committee |
19.120
Particle size analysis. Sieving
|
| ISO 13322-2:2006 |
Particle size analysis — Image analysis methods — Part 2: Dynamic image analysis methods |
ISO 13322-2:2006 describes methods for controlling the position of moving particles in a liquid or gas and on a conveyor, as well as the image capture and image analysis of the particles. These methods are used to measure the particle sizes and their distributions, the particles being appropriately dispersed in the liquid or gas medium or on the conveyor. The practical limitations of the derived particle size are addressed when using ISO 13322-2:2006.
|
Withdrawn |
2006-11 |
Edition : 1 |
Number of pages : 24 |
Technical Committee |
19.120
Particle size analysis. Sieving
|
| ISO 13322-2:2021 |
Particle size analysis — Image analysis methods — Part 2: Dynamic image analysis methods |
This document describes a method to transfer the images from particles having relative motion to binary images within practical systems, in which the particles in the images are individually separated. Images of moving particles are created by an optical image capture device. Effects of particle movement on the images are either minimized by the instrumentation or corrected by software procedures. This method is applicable to the particle images that are clearly distinguishable from static background. Further processing of the binary image, which is then considered as static, is described in ISO 13322-1. A dynamic image analysis system is capable of measuring a higher number of particles compared to static image analysis systems. This document provides guidance on instrument qualification for particle size distribution measurements by using particulate reference materials. This document addresses the relative movement of the particles with respect to each other, the effect of particle movement on the image (motion blur), the movement and position along the optical axis (depth of field), and the orientation of the particles with respect to the camera.
|
Published |
2021-12 |
Edition : 2 |
Number of pages : 53 |
Technical Committee |
19.120
Particle size analysis. Sieving
|
| ISO 13323-1:2000 |
Determination of particle size distribution — Single-particle light interaction methods — Part 1: Light interaction considerations |
|
Withdrawn |
2000-11 |
Edition : 1 |
Number of pages : 15 |
Technical Committee |
19.120
Particle size analysis. Sieving
|
| ISO/TS 13762:2001 |
Particle size analysis — Small angle X-ray scattering method |
|
Withdrawn |
2001-03 |
Edition : 1 |
Number of pages : 22 |
Technical Committee |
19.120
Particle size analysis. Sieving
|
| ISO/TS 14411-1:2017 |
Preparation of particulate reference materials — Part 1: Polydisperse material based on picket fence of monodisperse spherical particles |
ISO/TR 14411-1:2017 describes the preparation of polydisperse spherical particles based on a picket fence of quasi-monodisperse reference materials, the characterization of its monodisperse components with acceptable uncertainty and the estimation of the uncertainty of the mixture of these particles. This type of material is normally suitable for all particle characterization methods within the appropriate limits of the techniques. An example of using these reference materials in a reliability calculation for a mass-based cumulative size distribution is provided.
ISO/TR 14411-1:2017 itself to the technical specificities of preparation beyond the general requirements for certified and non-certified reference materials as described in ISO Guide 30, ISO Guide 31, ISO Guide 35 and ISO 17034.
|
Published |
2017-05 |
Edition : 1 |
Number of pages : 29 |
Technical Committee |
19.120
Particle size analysis. Sieving
|
| ISO 5855-1:1981 |
Aerospace construction — MJ threads — Part 1: Basic profile |
|
Withdrawn |
1981-12 |
Edition : 1 |
Number of pages : 2 |
Technical Committee |
49.030.10
Screw threads
|
| ISO 5855-1:1988 |
Aerospace — MJ threads — Part 1: General requirements |
|
Withdrawn |
1988-12 |
Edition : 2 |
Number of pages : 7 |
Technical Committee |
49.030.10
Screw threads
|
| ISO 14411-2:2020 |
Preparation of particulate reference materials — Part 2: Polydisperse spherical particles |
This document describes the specifications for spherical polydisperse particulate reference materials with acceptable uncertainty in particle size distribution and describes protocols for their characterization. One potential use of these reference materials is the reliability test of the laser-diffraction instruments and other particle sizing methods.
This document expresses polydispersity and the related uncertainties in size. Small variations in size can imply large variations in cumulative distribution.
This document describes the requirements of particulate reference materials, which are intended to be used to test the reliability of various types of particle size measurement apparatus. The requirements for processing, homogeneity and stability assessment as well as for the preparation of certificates, which are not addressed in this document are described in ISO 17034.
|
Published |
2020-09 |
Edition : 1 |
Number of pages : 16 |
Technical Committee |
19.120
Particle size analysis. Sieving
|
| ISO 14488:2007 |
Particulate materials — Sampling and sample splitting for the determination of particulate properties |
ISO 14488:2007 specifies methods for obtaining a test sample from a defined bulk of particulate material (powder, paste, suspension or dust) that can be considered to be representative of that bulk with a defined confidence level. It is particularly relevant to the measurement of particle size, size distribution and surface area.
|
Published |
2007-12 |
Edition : 1 |
Number of pages : 30 |
Technical Committee |
19.120
Particle size analysis. Sieving
|
| ISO 14488:2007/Amd 1:2019 |
Particulate materials — Sampling and sample splitting for the determination of particulate properties — Amendment 1 |
|
Published |
2019-11 |
Edition : 1 |
Number of pages : 5 |
Technical Committee |
19.120
Particle size analysis. Sieving
|
| ISO 14887:2000 |
Sample preparation — Dispersing procedures for powders in liquids |
|
Published |
2000-09 |
Edition : 1 |
Number of pages : 24 |
Technical Committee |
19.120
Particle size analysis. Sieving
|
| ISO 15900:2009 |
Determination of particle size distribution — Differential electrical mobility analysis for aerosol particles |
ISO 15900:2009 provides guidelines on the determination of aerosol particle size distribution by means of the analysis of electrical mobility of aerosol particles. This measurement is usually called “differential electrical mobility analysis for aerosol particles”. This analytical method is applicable to particle size measurements ranging from approximately 1 nm to 1 µm. ISO 15900:2009 does not address the specific instrument design or the specific requirements of particle size distribution measurements for different applications, but includes the calculation method of uncertainty.
|
Withdrawn |
2009-05 |
Edition : 1 |
Number of pages : 57 |
Technical Committee |
19.120
Particle size analysis. Sieving
|
| ISO 15900:2020 |
Determination of particle size distribution — Differential electrical mobility analysis for aerosol particles |
This document provides guidelines and requirements for the determination of aerosol particle number size distribution by means of the analysis of electrical mobility of aerosol particles. This measurement is usually called "differential electrical mobility analysis for aerosol particles". This analytical method is applicable to particle size measurements ranging from approximately 1 nm to 1 µm. This document does not address the specific instrument design or the specific requirements of particle size distribution measurements for different applications but includes the calculation method of uncertainty. In this document, the complete system for carrying out differential electrical mobility analysis is referred to as DMAS (differential mobility analysing system), while the element within this system that classifies the particles according to their electrical mobility is referred to as DEMC (differential electrical mobility classifier).
NOTE This document does not include technical requirements and specifications for the application of DMAS, which are defined in application specific standards or guidelines, e.g. for road vehicle applications (ISO/TC 22), environmental measurements (ISO/TC 146) or nanotechnologies (ISO/TC 229).
|
Published |
2020-10 |
Edition : 2 |
Number of pages : 92 |
Technical Committee |
19.120
Particle size analysis. Sieving
|
| ISO 15901-1:2005 |
Pore size distribution and porosity of solid materials by mercury porosimetry and gas adsorption — Part 1: Mercury porosimetry |
ISO 15901-1:2005 describes a method for the evaluation of the pore size distribution and the specific surface in pores of solids by mercury porosimetry according to the method of Ritter and Drake. ISO 15901-1:2005 describes a comparative test, usually destructive due to mercury contamination, in which the volume of mercury penetrating a pore or void is determined as a function of an applied hydrostatic pressure, which can be related to a pore diameter.
Practical considerations presently limit the maximum applied absolute pressure to about 400 MPa (60 000 psia) corresponding to a minimum equivalent pore diameter of approximately 0,003 m. The maximum diameter is limited for samples having a significant depth due to the difference in hydrostatic head of mercury from the top to the bottom of the sample. For the most purposes, this limit can be regarded as 400 m. ISO 15901-1:2005 applies to inter-particle and intra-particle porosity but cannot distinguish between these porosities where they co-exist.
ISO 15901-1:2005 is suitable for the study of most non-wettable, by mercury, porous materials. Samples that amalgamate with mercury, such as certain metals, e.g. gold, aluminium, reduced copper, reduced nickel and silver, can be unsuitable for this technique or can require a preliminary passivation.
|
Withdrawn |
2005-12 |
Edition : 1 |
Number of pages : 18 |
Technical Committee |
19.120
Particle size analysis. Sieving
|
| ISO 15901-1:2005/Cor 1:2007 |
Pore size distribution and porosity of solid materials by mercury porosimetry and gas adsorption — Part 1: Mercury porosimetry — Technical Corrigendum 1 |
|
Withdrawn |
2007-03 |
Edition : 1 |
Number of pages : 1 |
Technical Committee |
19.120
Particle size analysis. Sieving
|
| ISO 15901-1:2016 |
Evaluation of pore size distribution and porosity of solid materials by mercury porosimetry and gas adsorption — Part 1: Mercury porosimetry |
ISO 15901-1:2016 describes a method for the evaluation of the pore size distribution and the specific surface area of pores in solids by mercury porosimetry according to the method of Ritter and Drake[1][2]. It is a comparative test, usually destructive due to mercury contamination, in which the volume of mercury penetrating a pore or void is determined as a function of an applied hydrostatic pressure, which can be related to a pore diameter.
Practical considerations presently limit the maximum applied absolute pressure to about 400 MPa (60 000 psi) corresponding to a minimum equivalent pore diameter of approximately 4 nm. The maximum diameter is limited for samples having a significant depth due to the difference in hydrostatic head of mercury from the top to the bottom of the sample. For the most purposes, this limit can be regarded as 400 µm. The measurements cover inter-particle and intra-particle porosity. In general, without additional information from other methods it is difficult to distinguish between these porosities where they co-exist. The method is suitable for the study of most porous materials non-wettable by mercury. Samples that amalgamate with mercury, such as certain metals, e.g. gold, aluminium, copper, nickel and silver, can be unsuitable with this technique or can require a preliminary passivation. Under the applied pressure some materials are deformed, compacted or destroyed, whereby open pores may be collapsed and closed pores opened. In some cases it may be possible to apply sample compressibility corrections and useful comparative data may still be obtainable. For these reasons, the mercury porosimetry technique is considered to be comparative.
|
Published |
2016-04 |
Edition : 2 |
Number of pages : 19 |
Technical Committee |
19.120
Particle size analysis. Sieving
|
| ISO 15901-2:2006 |
Pore size distribution and porosity of solid materials by mercury porosimetry and gas adsorption — Part 2: Analysis of mesopores and macropores by gas adsorption |
ISO 15901-2:2006 describes a method for the evaluation of porosity and pore size distribution by gas adsorption. It is a comparative, rather than an absolute test. The method is limited to the determination of the quantity of a gas adsorbed per unit mass of sample at a controlled, constant temperature.
ISO 15901-2:2006 does not specify the use of a particular adsorptive gas, however nitrogen is the adsorptive gas most commonly used in such methods. Similarly, the temperature of liquid nitrogen is the analysis temperature most commonly used. Use is sometimes made of other adsorptive gases, including argon, carbon dioxide and krypton, and other analysis temperatures, including those of liquid argon and solid carbon dioxide. In the case of nitrogen adsorption at liquid nitrogen temperature, the basis of this method is to measure the quantity of nitrogen adsorbed at 77 K as a function of its relative pressure.
Traditionally, nitrogen adsorption is most appropriate for pores in the approximate range of widths 0,4 nm to 50 nm. Improvements in temperature control and pressure measurement now allow larger pore widths to be evaluated. ISO 15901-2:2006 describes the calculation of mesopore size distribution between 2 nm and 50 nm, and of macropore distribution up to 100 nm.
The method described in ISO 15901-2:2006 is suitable for a wide range of porous materials, even though the pore structure of certain materials is sometimes modified by pretreatment or cooling.
Two groups of procedures are specified to determine the amount of gas adsorbed:
those which depend on the measurement of the amount of gas removed from the gas phase (i.e. gas volumetric methods), andthose which involve the measurement of the uptake of the gas by the adsorbent (i.e. direct determination of increase in mass by gravimetric methods).
In practice, static or dynamic techniques can be used to determine the amount of gas adsorbed. To derive pore size distribution from the isotherm, it is necessary to apply one or more mathematical models, which entails simplifying certain basic assumptions.
|
Withdrawn |
2006-12 |
Edition : 1 |
Number of pages : 30 |
Technical Committee |
19.120
Particle size analysis. Sieving
|
| ISO 15901-2:2006/Cor 1:2007 |
Pore size distribution and porosity of solid materials by mercury porosimetry and gas adsorption — Part 2: Analysis of mesopores and macropores by gas adsorption — Technical Corrigendum 1 |
|
Withdrawn |
2007-05 |
Edition : 1 |
Number of pages : 1 |
Technical Committee |
19.120
Particle size analysis. Sieving
|
| ISO 15901-2:2022 |
Pore size distribution and porosity of solid materials by mercury porosimetry and gas adsorption — Part 2: Analysis of nanopores by gas adsorption |
This document describes a method for the evaluation of porosity and pore size distribution by physical adsorption (or physisorption). The method is limited to the determination of the quantity of a gas adsorbed per unit mass of sample as a function of pressure at a controlled, constant temperature[1]-[9]. Commonly used adsorptive gases for physical adsorption characterization include nitrogen, argon, krypton at the temperatures of liquid nitrogen and argon (77 K and 87 K respectively) as well as CO2 (at 273 K). Traditionally, nitrogen and argon adsorption at 77 K and 87 K, respectively, allows one to assess pores in the approximate range of widths 0,45 nm to 50 nm, although improvements in temperature control and pressure measurement allow larger pore widths to be evaluated. CO2 adsorption at 273 K – 293 K can be applied for the microporous carbon materials exhibiting ultramicropores. Krypton adsorption at 77 K and 87 K is used to determine the surface area or porosity of materials with small surface area or for the analysis of thin porous films.
The method described is suitable for a wide range of porous materials. This document focuses on the determination of pore size distribution from as low as 0,4 nm up to approximately 100 nm. The determination of surface area is described in ISO 9277. The procedures which have been devised for the determination of the amount of gas adsorbed may be divided into two groups:
— those which depend on the measurement of the amount of gas removed from the gas phase, i.e. manometric (volumetric) methods;
— those which involve the measurement of the uptake of the gas by the adsorbent (i.e. direct determination of increase in mass by gravimetric methods).
In practice, static or dynamic techniques can be used to determine the amount of gas adsorbed. However, the static manometric method is generally considered the most suitable technique for undertaking physisorption measurements with nitrogen, argon and krypton at cryogenic temperatures (i.e. 77 K and 87 K, the boiling temperature of nitrogen and argon, respectively) with the goal of obtaining pore volume and pore size information. This document focuses only on the application of the manometric method.
|
Published |
2022-01 |
Edition : 2 |
Number of pages : 29 |
Technical Committee |
19.120
Particle size analysis. Sieving
|
| ISO 15901-3:2007 |
Pore size distribution and porosity of solid materials by mercury porosimetry and gas adsorption — Part 3: Analysis of micropores by gas adsorption |
ISO 15901-3:2007 describes methods for the evaluation of the volume of micropores (pores of internal width less than 2 nm) and the specific surface area of microporous material by low-temperature adsorption of gases These are comparative, non-destructive tests. The methods use physisorbing gases that can penetrate into the pores under investigation. The method is applicable to isotherms of type I, II, IV or VI of the IUPAC classification (see ISO 15901-2:--, Figure 1, and ISO 9277).
The methods in ISO 15901-3:2007 are not applicable when chemisorption or absorption takes place.
|
Withdrawn |
2007-04 |
Edition : 1 |
Number of pages : 27 |
Technical Committee |
19.120
Particle size analysis. Sieving
|
| ISO 3952-2:1981 |
Kinematic diagrams — Graphical symbols |
The symbols system is intended for simplifying the preparation of diagrams of products in all branches of industry and is to be used in technical documentation as well as in technical and educational literature. It will facilitate the execution and understanding of such diagrams by specialists of different countries. This part contains friction and gear mechanisms and cam mechanisms.
|
Published |
1981-07 |
Edition : 1 |
Number of pages : 12 |
Technical Committee |
21.020
Characteristics and design of machines, apparatus, equipment
;
01.080.30
Graphical symbols for use on mechanical engineering and construction drawings, diagrams, plans, maps and in relevant technical product documentation
|
| ISO 17867:2015 |
Particle size analysis — Small-angle X-ray scattering |
Small-angle X-ray scattering (SAXS) is a well-established technique that allows structural information to be obtained about inhomogeneities in materials with a characteristic length from 1 nm to 100 nm. Under certain conditions (narrow size distributions, appropriate instrumental configuration, and idealised shape) the limit of 100 nm can be significantly extended. ISO 17687:2015 specifies a method for the application of SAXS to the estimation of mean particle sizes in dilute dispersions where the interaction between the particles is negligible. This International Standard allows two complementary data evaluation methods to be performed, model fitting and Guinier approximation. The most appropriate evaluation method shall be selected by the analyst and stated clearly in the report. SAXS is sensitive to electron density fluctuations. Therefore, particles in solution and pores in a matrix can be studied in same way.
|
Withdrawn |
2015-05 |
Edition : 1 |
Number of pages : 23 |
Technical Committee |
19.120
Particle size analysis. Sieving
|
| ISO 17867:2020 |
Particle size analysis — Small angle X-ray scattering (SAXS) |
This document specifies a method for the application of small-angle X-ray scattering (SAXS) to the estimation of mean particle sizes in the 1 nm to 100 nm size range. It is applicable in dilute dispersions where the interaction and scattering effects between the particles are negligible. This document describes several data evaluation methods: the Guinier approximation, model-based data fitting, Monte-Carlo?based data fitting, the indirect Fourier transform method and the expectation maximization method. The most appropriate evaluation method is intended to be selected by the analyst and stated clearly in the report. While the Guinier approximation only provides an estimate for the mean particle diameter, the other methods also give insight in the particle size distribution.
|
Published |
2020-10 |
Edition : 2 |
Number of pages : 27 |
Technical Committee |
19.120
Particle size analysis. Sieving
|
| ISO 18747-1:2018 |
Determination of particle density by sedimentation methods — Part 1: Isopycnic interpolation approach |
ISO 18747-1:2018 specifies a method for the determination of the density of solid particles or liquid droplets (below referred to generically as "particles") dispersed in a liquid. The method is based on the fact that a particle wholly immersed in fluid experiences buoyancy equal to the weight of the fluid displaced by this particle (Archimedean principle), and if its mass force matches the buoyant force, it stops gravitational or centrifugal settling/creaming and the particle remains suspended. This implies that the density of the particle equals the density of the liquid. In this document, particle density determination is conducted by analysing the direction of the migration movement of particles dispersed in liquids with densities that are lower and higher than particle density. All particles are of the same material composition.
|
Published |
2018-03 |
Edition : 1 |
Number of pages : 28 |
Technical Committee |
19.120
Particle size analysis. Sieving
|
| ISO 18747-2:2019 |
Determination of particle density by sedimentation methods — Part 2: Multi-velocity approach |
This document specifies an in situ method for the determination of the density of solid particles or liquid droplets (herein referred to as "particle") dispersed in liquid continuous phase. The method is based on direct experimental determination of particle velocity in these liquids or media in gravitational or centrifugal fields based on Stokes law. The particle density is calculated from experimentally determined particle velocities in different liquids or media, taking into account their dynamic viscosities and densities, respectively. The approach does not require the knowledge of particle size distribution but assumes that sedimentation relevant characteristics (e.g. volume, shape, agglomeration state) do not change. This document does not consider polydispersity with regard to particle density, i.e. all particles are assumed to be of the same material composition.
|
Published |
2019-06 |
Edition : 1 |
Number of pages : 20 |
Technical Committee |
19.120
Particle size analysis. Sieving
|
| ISO 19430:2016 |
Particle size analysis — Particle tracking analysis (PTA) method |
ISO 19430:2016 describes the evaluation of the number?based particle size distribution in liquid dispersions (solid, liquid or gaseous particles suspended in liquids) using the particle tracking analysis method for diffusion velocity measurements.
|
Published |
2016-12 |
Edition : 1 |
Number of pages : 25 |
Technical Committee |
19.120
Particle size analysis. Sieving
|
| ISO/DIS 19430 |
Determination of particle size distribution and number concentration by particle tracking analysis (PTA) |
|
Under development |
|
Edition : 2 |
Number of pages : 43 |
Technical Committee |
19.120
Particle size analysis. Sieving
|
| ISO/CD 19996 |
Charge conditioning of aerosol particles for particle characterization and the generation of calibration and test aerosols |
|
Under development |
|
Edition : 1 |
|
Technical Committee |
19.120
Particle size analysis. Sieving
|
| ISO/TR 19997:2018 |
Guidelines for good practices in zeta-potential measurement |
This document addresses the zeta-potential measurement operation for applications such as new product design, optimization of existing products, quality control during processing and/or during usage of the product. It does not provide a complete procedure for zeta-potential measurements. The instructions and key points addressed in this document are considered useful for performing zeta-potential measurements as specified in ISO 13099-1 and ISO 13099-2.
|
Published |
2018-09 |
Edition : 1 |
Number of pages : 10 |
Technical Committee |
19.120
Particle size analysis. Sieving
|
| ISO 5832-1:2007/Cor 1:2008 |
Implants for surgery — Metallic materials — Part 1: Wrought stainless steel — Technical Corrigendum 1 |
|
Withdrawn |
2008-04 |
Edition : 4 |
Number of pages : 1 |
Technical Committee |
11.040.40
Implants for surgery, prosthetics and orthotics
|
| ISO 20804:2022 |
Determination of the specific surface area of porous and particulate systems by small-angle X-ray scattering (SAXS) |
This document specifies the application of small-angle X-ray scattering (SAXS) for the determination of specific surface area. Both the mass specific surface area in the order of 1 m2g-1 to 2 000 m2g-1 and the volume specific surface areas in the range from 0,01 m2cm-3 to 1 000 m2cm-3 can be obtained.
The method described is applicable to dilute and concentrated systems.
NOTE: In ISO 17867:2020, the determination of the particle size by SAXS is limited to dilute systems.
The determination of surfaces with SAXS is straightforward for two-phase systems only. Surface determination in systems with more than two phases is beyond the scope of this document.
The term ‘surface’ refers to any interface between domains of different density (more precisely: electron density) and is not restricted to the external surface of particles. As any interfaces between areas with different electron density, not only to air or vacuum, can be probed, the method can be applied to any heterogeneous system.
SAXS measures not only the specific surface area of open pores but also of inaccessible, closed pores or inclusions.
NOTE: This is in contrast to gas sorption methods which are described in ISO 9277:2010.
In addition to porous systems, there can be contributions of internal interfaces to the measured specific surface area of any heterogeneous compact solid system, such as between crystalline and amorphous phases, provided there is an electron density contrast. Although materials comprising micropores (pore width < 2 nm) can also be analysed with respect to their specific surface area with SAXS, this document does not cover these materials.
|
Published |
2022-05 |
Edition : 1 |
Number of pages : 22 |
Technical Committee |
19.120
Particle size analysis. Sieving
|
| ISO 20998-1:2006 |
Measurement and characterization of particles by acoustic methods — Part 1: Concepts and procedures in ultrasonic attenuation spectroscopy |
ISO 20998-1:2006 describes ultrasonic methods for determining the size distributions of one or more material phases dispersed in a liquid. Colloids, dispersions, slurries and emulsions are within the scope of ISO 20998-1:2006. The typical particle size for such analysis ranges from 10 nm to 3 mm, although particles outside this range have also been successfully measured. Measurements can be made for concentrations of the dispersed phase ranging from 0,1 % by volume up to 50 % or more by volume, depending on the density contrast between the continuous and the dispersed phases. These methods can be used to monitor dynamic changes in the size distribution, including agglomeration or flocculation in concentrated systems.
|
Published |
2006-08 |
Edition : 1 |
Number of pages : 21 |
Technical Committee |
19.120
Particle size analysis. Sieving
|
| ISO 20998-2:2013 |
Measurement and characterization of particles by acoustic methods — Part 2: Guidelines for linear theory |
ISO 20998-2:2013 describes ultrasonic attenuation spectroscopy methods for determining the size distributions of a particulate phase dispersed in a liquid at dilute concentrations, where the ultrasonic attenuation spectrum is a linear function of the particle volume fraction. In this regime, particle?particle interactions are negligible. Colloids, dilute dispersions, and emulsions are within the scope of ISO 20998-2:2013. The typical particle size for such analysis ranges from 10 nm to 3 mm, although particles outside this range have also been successfully measured. For solid particles in suspension, size measurements can be made at concentrations typically ranging from 0,1 % volume fraction up to 5 % volume fraction, depending on the density contrast between the solid and liquid phases, the particle size, and the frequency range.
For emulsions, measurements may be made at much higher concentrations. These ultrasonic methods can be used to monitor dynamic changes in the size distribution.
While it is possible to determine the particle size distribution from either the attenuation spectrum or the phase velocity spectrum, the use of attenuation data alone is recommended. The relative variation in phase velocity due to changing particle size is small compared to the mean velocity, so it is often difficult to determine the phase velocity with a high degree of accuracy, particularly at ambient temperature. Likewise, the combined use of attenuation and velocity spectra to determine the particle size is not recommended. The presence of measurement errors (i.e. "noise") in the magnitude and phase spectra can increase the ill-posed nature of the problem and reduce the stability of the inversion.
|
Withdrawn |
2013-08 |
Edition : 1 |
Number of pages : 31 |
Technical Committee |
19.120
Particle size analysis. Sieving
|
| ISO 20998-2:2022 |
Measurement and characterization of particles by acoustic methods — Part 2: Linear theory |
This document specifies requirements for ultrasonic attenuation spectroscopy methods for determining the size distributions of a particulate phase dispersed in a liquid at dilute concentrations, where the ultrasonic attenuation spectrum is a linear function of the particle volume fraction. In this regime particle-particle interactions are negligible. Colloids, dilute dispersions, and emulsions are within the scope of this document. The typical particle size for such analysis ranges from 10 nm to 3 mm, although particles outside this range have also been successfully measured. For solid particles in suspension, size measurements can be made at concentrations typically ranging from 0,1 % by volume up to 5 % by volume, depending on the density contrast between the solid and liquid phases, the particle size, and the frequency range[9],[10]. For emulsions, measurements can be made at much higher concentrations. These ultrasonic methods can be used to monitor dynamic changes in the size distribution.
|
Published |
2022-08 |
Edition : 2 |
Number of pages : 33 |
Technical Committee |
19.120
Particle size analysis. Sieving
|
| ISO 20998-3:2017 |
Measurement and characterization of particles by acoustic methods — Part 3: Guidelines for non-linear theory |
ISO 20998-3:2017 gives guidelines for ultrasonic attenuation spectroscopy methods for determining the size distributions of one or more material phases dispersed in a liquid at high concentrations, where the ultrasonic attenuation spectrum is not a linear function of the particle volume fraction. In this regime, particle-particle interactions are not negligible.
ISO 20998-3:2017 is applicable to colloids, dispersions, slurries, and emulsions. The typical particle size for such analysis ranges from 10 nm to 3 mm, although particles outside this range have also been successfully measured. Measurements can be made for concentrations of the dispersed phase ranging from about 5 % by volume to over 50 % by volume, depending on the density contrast between the continuous and the dispersed phases, the particle size, and the frequency range[9] [10]. These ultrasonic methods can be used to monitor dynamic changes in the size distribution, including agglomeration or flocculation.
|
Published |
2017-04 |
Edition : 1 |
Number of pages : 24 |
Technical Committee |
19.120
Particle size analysis. Sieving
|
| ISO 21143:2020 |
Technical product documentation — Requirements for digital mock-up virtual assembly test for mechanical products |
This document specifies the requirements for a digital mock-up virtual assembly test (VAT) for mechanical products, which is suitable for guiding virtual assembly testing before physical production. The application of this document is intended to result in an effective VAT and efficient on-site assembly. This test is applicable to 3D nominal models with theoretically exact dimensions.
|
Published |
2020-02 |
Edition : 1 |
Number of pages : 15 |
Technical Committee |
21.020
Characteristics and design of machines, apparatus, equipment
|
| ISO 21501-1:2009 |
Determination of particle size distribution — Single particle light interaction methods — Part 1: Light scattering aerosol spectrometer |
ISO 21501-1:2009 specifies characteristics of a light scattering aerosol spectrometer (LSAS) which is used for measuring the size, number concentration and number/size distribution of particles suspended in a gas. The light scattering technique described in this document is based upon single particle measurements. The size range of particles measured by this method is between approximately 0,06 µm to 45 µm in diameter.
Instruments that conform to ISO 21501-1:2009 are used for the determination of the particle size distribution and particle number concentration at relatively high concentrations of up to 1011 particles/m3.
Application fields include: characterization of metered dose inhalers (MDI), dry powder inhalers (DPI) and nebulizers in pharmacy; production control of active agents; cut-off determination: impactors, cyclones and impingers; atmospheric aerosols: bio-aerosols, stables/composting facilities, nebulized droplets, measurements in street tunnels; fractional separation efficiency determination of filters.
For the above-mentioned applications, aerosol spectrometers should determine the particle size distribution, particle number concentration, size resolution and sizing accuracy as accurately as possible. These aerosol spectrometers are not suitable for the classification of clean rooms.
|
Published |
2009-06 |
Edition : 1 |
Number of pages : 27 |
Technical Committee |
19.120
Particle size analysis. Sieving
|
| ISO 21501-2:2007 |
Determination of particle size distribution — Single particle light interaction methods — Part 2: Light scattering liquid-borne particle counter |
ISO 21501-2:2007 describes a calibration and verification method for a light scattering liquid-borne particle counter (LSLPC), which is used to measure the size and particle number concentration of particles suspended in liquid. The light scattering method described in ISO 21501-2:2007 is based on single particle measurements. The typical size range of particles measured by this method is between 0,1 µm and 10 µm in particle size.
Instruments that conform to ISO 21501-2:2007 are used for the evaluation of the cleanliness of pure water and chemicals, as well as the measurement of number and size distribution of particles in various liquids. The measured particle size using the LSLPC depends on the refractive index of particles and medium; therefore the measured particle size is equivalent to the calibration particles in pure water.
The following are within the scope of ISO 21501-2:2007:
size calibration;verification of size setting;counting efficiency;size resolution;false count rate;maximum particle number concentration;sampling flow rate;sampling time;sampling volume;calibration interval;test report.
|
Withdrawn |
2007-05 |
Edition : 1 |
Number of pages : 15 |
Technical Committee |
19.120
Particle size analysis. Sieving
|
| ISO 21501-2:2019 |
Determination of particle size distribution — Single particle light interaction methods — Part 2: Light scattering liquid-borne particle counter |
This document describes a calibration and verification method for a light scattering liquid-borne particle counter (LSLPC), which is used to measure the size and particle number concentration of particles suspended in liquid. The light scattering method described in this document is based on single particle measurements. The typical size range of particles measured by this method is between 0,1 µm and 10 µm in particle size.
The method is applicable to instruments used for the evaluation of the cleanliness of pure water and chemicals, as well as the measurement of number and size distribution of particles in various liquids. The measured particle size using the LSLPC depends on the refractive index of particles and medium; therefore, the measured particle size is equivalent to the calibration particles in pure water.
The following are within the scope of this document:
— size setting error;
— counting efficiency;
— size resolution;
— false count;
— maximum particle number concentration;
— sampling flow rate error;
— sampling time error;
— sampling volume error;
— calibration interval;
— reporting results from test and calibration.
|
Published |
2019-11 |
Edition : 2 |
Number of pages : 21 |
Technical Committee |
19.120
Particle size analysis. Sieving
|
| ISO 21501-3:2007 |
Determination of particle size distribution — Single particle light interaction methods — Part 3: Light extinction liquid-borne particle counter |
ISO 21501-3:2007 describes a calibration and verification method for a light extinction liquid-borne particle counter (LELPC), which is used to measure the size and particle number concentration of particles suspended in liquid. The light extinction method described in ISO 21501-3:2007 is based on single particle measurements. The typical size range of particles measured by this method is between 1 µm and 100 µm in particle size.
Instruments that conform to ISO 21501-3:2007 are used for the evaluation of the cleanliness of pharmaceutical products (e.g. injections, water for injections, infusions), as well as the measurement of number and size distribution of particles in various liquids.
The following are within the scope of ISO 21501-3:2007:
size calibration;verification of size setting;counting efficiency;size resolution;maximum particle number concentration;sampling flow rate;sampling time;sampling volume;calibration interval;test report.
|
Withdrawn |
2007-05 |
Edition : 1 |
Number of pages : 12 |
Technical Committee |
19.120
Particle size analysis. Sieving
|
| ISO 22412:2017 |
Particle size analysis — Dynamic light scattering (DLS) |
ISO 22412:2017 specifies the application of dynamic light scattering (DLS) to the measurement of average hydrodynamic particle size and the measurement of the size distribution of mainly submicrometre-sized particles, emulsions or fine bubbles dispersed in liquids. DLS is also referred to as "quasi-elastic light scattering (QELS)" and "photon correlation spectroscopy (PCS)," although PCS actually is one of the measurement techniques.
ISO 22412:2017 is applicable to the measurement of a broad range of dilute and concentrated suspensions. The principle of dynamic light scattering for a concentrated suspension is the same as for a dilute suspension. However, specific requirements for the instrument setup and specification of test sample preparation are required for concentrated suspensions. At high concentrations, particle-particle interactions and multiple light scattering can become dominant and can result in apparent particle sizes that differ between concentrated and dilute suspensions.
|
Published |
2017-02 |
Edition : 2 |
Number of pages : 34 |
Technical Committee |
19.120
Particle size analysis. Sieving
|
| ISO 21501-3:2019 |
Determination of particle size distribution — Single particle light interaction methods — Part 3: Light extinction liquid-borne particle counter |
This document describes a calibration and verification method for a light extinction liquid-borne particle counter (LELPC), which is used to measure the size and particle number concentration of particles suspended in liquid. The light extinction method described in this document is based on single particle measurements. The typical size range of particles measured by this method is between 1 µm and 100 µm in particle size.
The method is applicable to instruments used for the evaluation of the cleanliness of pharmaceutical products (e.g. injections, water for injections, infusions), as well as the measurement of number and size distribution of particles in various liquids.
The following are within the scope of this document:
— size setting error;
— counting efficiency;
— size resolution;
— maximum particle number concentration;
— sampling flow rate error;
— sampling time error;
— sampling volume error;
— calibration interval;
— reporting results from test and calibration.
|
Published |
2019-11 |
Edition : 2 |
Number of pages : 18 |
Technical Committee |
19.120
Particle size analysis. Sieving
|
| ISO 21501-4:2007 |
Determination of particle size distribution — Single particle light interaction methods — Part 4: Light scattering airborne particle counter for clean spaces |
ISO 21501-4:2007 describes a calibration and verification method for a light scattering airborne particle counter (LSAPC), which is used to measure the size and particle number concentration of particles suspended in air. The light scattering method described in ISO 21501-4:2007 is based on single particle measurements. The typical size range of particles measured by this method is between 0,1 µm and 10 µm in particle size.
Instruments that conform to ISO 21501-4:2007 are used for the classification of air cleanliness in cleanrooms and associated controlled environments in accordance with ISO 14644-1, as well as the measurement of number and size distribution of particles in various environments.
The following are within the scope of ISO 21501-4:2007:
size calibration;verification of size setting;counting efficiency;size resolution;false count rate;maximum particle number concentration;sampling flow rate;sampling time;sampling volume;calibration interval;test report.
|
Withdrawn |
2007-05 |
Edition : 1 |
Number of pages : 16 |
Technical Committee |
19.120
Particle size analysis. Sieving
|
| ISO 21501-4:2018 |
Determination of particle size distribution — Single particle light interaction methods — Part 4: Light scattering airborne particle counter for clean spaces |
This document describes a calibration and verification method for a light scattering airborne particle counter (LSAPC), which is used to measure the size distribution and particle number concentration of particles suspended in air. The light scattering method described in this document is based on single particle measurements. The typical size range of particles measured by this method is between 0,1 μm and 10 μm in particle size.
Instruments that conform to this document are used for the classification of air cleanliness in cleanrooms and associated controlled environments in accordance with ISO 14644‑1 and ISO 14644‑2, as well as the measurement of number and size distribution of particles in various environments.
The following parameters are within the scope of this document:
— size setting error;
— counting efficiency;
— size resolution;
— false count;
— maximum particle number concentration;
— sampling flow rate error;
— sampling time error;
— response rate;
— calibration interval;
— reporting results from test and calibration.
|
Published |
2018-05 |
Edition : 2 |
Number of pages : 25 |
Technical Committee |
19.120
Particle size analysis. Sieving
|
| ISO 21501-4:2018/Amd 1:2023 |
Determination of particle size distribution — Single particle light interaction methods — Part 4: Light scattering airborne particle counter for clean spaces — Amendment 1 |
|
Published |
2023-02 |
Edition : 2 |
Number of pages : 10 |
Technical Committee |
19.120
Particle size analysis. Sieving
|
| ISO/TS 22107:2021 |
Dispersibility of solid particles into a liquid |
This document establishes a generally applicable (i.e. not application specific) definition for dispersibility. It identifies significant characteristics for evaluating dispersibility and lists examples of methods used to characterize dispersibility in various applications.
This document applies to processes that disperse powders into a liquid continuous phase while reducing the size of agglomerates or flocs down to the intended level, that homogenize an existing dispersed solid phase of a suspension or the mixture of two suspensions, or that exchange the original continuous phase in a suspension for another. Specific methods to disperse particles and to characterize the state of dispersion and/or homogeneity are only referenced, if necessary, for context.
This document is applicable to nano- and micro-sized particles across a range of product applications.
|
Published |
2021-10 |
Edition : 1 |
Number of pages : 22 |
Technical Committee |
19.120
Particle size analysis. Sieving
|
| ISO 22412:2008 |
Particle size analysis — Dynamic light scattering (DLS) |
ISO 22412:2008 specifies a method for the application of dynamic light scattering (DLS) to the estimation of an average particle size and the measurement of the broadness of the size distribution of mainly submicrometre-sized particles or droplets dispersed in liquids.
ISO 22412:2008 is applicable to the measurement of a broad range of dilute and concentrated suspensions. The principle of DLS is the same as for a dilute dispersion. However, specific requirements for the instrument set-up and specification of test sample preparation, as well as some advice on the correct interpretation of the results of measurements for concentrated dispersions, are required.
|
Withdrawn |
2008-05 |
Edition : 1 |
Number of pages : 17 |
Technical Committee |
19.120
Particle size analysis. Sieving
|
| ISO 5834-1:2005/Cor 1:2007 |
Implants for surgery — Ultra-high-molecular-weight polyethylene — Part 1: Powder form — Technical Corrigendum 1 |
|
Withdrawn |
2007-05 |
Edition : 3 |
Number of pages : 1 |
Technical Committee |
11.040.40
Implants for surgery, prosthetics and orthotics
|
| ISO/TR 22814:2020 |
Good practice for dynamic light scattering (DLS) measurements |
This document provides practical guidance for performing and interpreting measurements using dynamic light scattering (DLS) that goes beyond the treatment of measurement artefacts in ISO 22412:2017.
This document is intended to help users with experiments planning, in particular with respect to obtaining the necessary information on the sample and deciding whether DLS is the most appropriate method. It provides information on how to prepare samples in an appropriate way, verify the proper functioning of the instrument and interpret the data correctly, including ways to assess data quality.
This document focuses on the practical steps required to obtain DLS results of good quality, rather than on theoretical considerations, and covers not only the measurement of solid particles, but also emulsions and bubbles.
|
Published |
2020-04 |
Edition : 1 |
Number of pages : 21 |
Technical Committee |
19.120
Particle size analysis. Sieving
|
| ISO/FDIS 23484 |
Determination of particle concentration by small-angle X-ray scattering (SAXS) |
|
Under development |
|
Edition : 1 |
Number of pages : 14 |
Technical Committee |
19.120
Particle size analysis. Sieving
|
| ISO 26824:2013 |
Particle characterization of particulate systems — Vocabulary |
ISO 26824:2013 establishes a vocabulary of terms and definitions relevant to the particle characterization of particulate systems. It covers such fields as the representation of results of particle size analysis, the descriptive and quantitative representation of particle shape and morphology, sample preparation, specific surface area and porosity characterization and measurement methods including sedimentation, classification, acoustic methods, laser diffraction, dynamic light scattering, single particle light interaction methods, differential electrical mobility analysis and image analysis, in a size scale from nanometre to millimetre.
|
Withdrawn |
2013-07 |
Edition : 1 |
Number of pages : 50 |
Technical Committee |
19.120
Particle size analysis. Sieving
;
01.040.19
Testing (Vocabularies)
|
| ISO 26824:2022 |
Particle characterization of particulate systems — Vocabulary |
This document defines terms that are relevant to the characterization of particles and particulate systems. This document includes such fields as the representation of results of particle size analysis, the descriptive and quantitative representation of particle shape and morphology, sample preparation, specific surface area and porosity characterization and such measurement methods as sedimentation, classification, acoustic methods, laser diffraction, dynamic light scattering, single particle light interaction methods, differential electrical mobility analysis, image analysis and others in a size scale from nanometre to millimetre.
|
Published |
2022-08 |
Edition : 2 |
Number of pages : 59 |
Technical Committee |
19.120
Particle size analysis. Sieving
;
01.040.19
Testing (Vocabularies)
|
| ISO 27891:2015 |
Aerosol particle number concentration — Calibration of condensation particle counters |
ISO 27891:2015 describes methods to determine the detection efficiency of condensation particle counters (CPCs) at particle number concentrations ranging between 1 cm-3 and 105 cm-3, together with the associated measurement uncertainty. In general, the detection efficiency will depend on the particle number concentration, the particle size, and the particle composition. The particle sizes covered by the methods described in this International Standard range from approximately 5 nm to 1 000 nm.
The methods can therefore be used both to determine a CPC calibration factor to be applied across the range of larger particle sizes where the detection efficiency is relatively constant (the plateau efficiency), and to characterize the drop in CPC detection efficiency at small particle sizes, near the lower detection limit. These parameters are described in more detail in Annex A.
The methods are suitable for CPCs whose inlet flows are between approximately 0,1 l/min and 5 l/min.
This International Standard describes a method for estimating the uncertainty of a CPC calibration performed according to this International Standard.
|
Published |
2015-03 |
Edition : 1 |
Number of pages : 119 |
Technical Committee |
19.120
Particle size analysis. Sieving
|
| ISO 3952-1:1981 |
Kinematic diagrams — Graphical symbols |
The symbols system is intended for simplifying the preparation of diagrams of products in all branches of industry and is to be used in technical documentation as well as in technical and educational literature. This part contains the following: Motion of links of mechanisms, kinematic pairs, links and connections of their components, and N-bar linkages and their components.
|
Published |
1981-12 |
Edition : 1 |
Number of pages : 18 |
Technical Committee |
21.020
Characteristics and design of machines, apparatus, equipment
;
01.080.30
Graphical symbols for use on mechanical engineering and construction drawings, diagrams, plans, maps and in relevant technical product documentation
|
| ISO 3952-1:1981/Amd 1:2002 |
Kinematic diagrams — Graphical symbols — Amendment 1 |
|
Published |
2002-10 |
Edition : 1 |
Number of pages : 2 |
Technical Committee |
21.020
Characteristics and design of machines, apparatus, equipment
;
01.080.30
Graphical symbols for use on mechanical engineering and construction drawings, diagrams, plans, maps and in relevant technical product documentation
|
| ISO/TR 12100-2:1992 |
Safety of machinery — Basic concepts, general principles for design — Part 2: Technical principles and specifications |
The document defines technical principles and specifications to help designers and manufacturers in achieving safety in the design of machinery for professional and non-professional purposes. It may also be used for other technical products having similar hazards.
|
Withdrawn |
1992-12 |
Edition : 1 |
Number of pages : 59 |
Technical Committee |
13.110
Safety of machinery
|