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AS 4816.1-2002

[Current]

Determination of particle size distribution by gravitational liquid sedimentation methods, Part 1: General principles and guidelines

Sets out methods for determining the particle size of particulate materials, typically in the size range 0.5 to 100 µm, by gravitational sedimentation in a liquid. This Standard is identical with and has been reproduced from ISO 13317-1:2001.
Published: 18/01/2002
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Table of contents
Cited references
Content history
Table of contents
Header
About this publication
Preface
Introduction
1 Scope
2 Normative references
3 Terms, definitions and symbols
3.1 Terms and definitions
3.2 Symbols
4 Principles
4.1 General
4.2 Calculation of particle size
4.3 Calculation of cumulative mass percentage
4.4 Effect of measurement zone height on resolution
5 Particle size, shape and porosity limitations
5.1 Upper size limit
5.2 Lower size limit
5.2.1 Thermal diffusion (Brownian motion)
5.3 Particle shape
5.4 Particle porosity
6 Test conditions
6.1 Temperature
6.2 Concentration of suspension
6.3 Sedimentation vessel
6.4 Transient flow
7 Sampling
8 Preparation for a sedimentation analysis
8.1 Density of liquid and particles
8.2 Removal of oversize particles
8.3 Selection of suspending liquid
8.4 Dispersion of sample
9 Tests in duplicate and validation
9.1 Tests in duplicate
9.2 Validation
10 Reporting of results
Annex A
Annex B
Annex C
Annex D
Bibliography
Cited references in this standard
Content history
DR 01250