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Standard
ISO 13317-1
Second edition
Determination of particle size
2024-04
distribution by gravitational liquid
sedimentation methods —
Part 1:
General principles, requirements
and guidance
Détermination de la distribution granulométrique par les
méthodes de sédimentation par gravité dans un liquide —
Partie 1: Principes généraux et orientation
Reference number
ISO 13317-1:2024(en) © ISO 2024
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ISO 13317-1:2024(en)
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Published in Switzerland
© ISO 2024 – All rights reserved
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ISO 13317-1:2024(en)
Contents Page
Foreword .iv
Introduction .v
1 Scope . 1
2 Normative references . 1
3 Terms and definitions . 1
4 Symbols and abbreviated terms. 5
5 Measurement principle and technical realisations . 8
5.1 General measurement principle .8
5.2 Technical realisation of sedimentation-based measurement techniques .10
6 Measurement data and basic rules of data evaluation.13
6.1 Sedimentation velocity distribution . 13
6.2 Stokes-based analysis for obtaining particle size distributions .16
6.2.1 Particle size .16
6.2.2 Quantification of size fractions .17
6.3 Deviations from Stokes-based analysis .21
6.3.1 General .21
6.3.2 Upper limit for sedimentation velocity and particle size . 22
6.3.3 Lower limits for particle size . 22
6.3.4 Limits for particle concentration . 23
6.3.5 Handling of porous and heterogeneous particles .
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