Determination of particle size distribution by centrifugal liquid sedimentation methods Photocentrifuge method

Available format(s)

Hardcopy , PDF

Language(s)

English

Published date

31-10-2007

Publisher

British Standards Institution

Foreword
Introduction
1 Scope
2 Normative references
3 Terms, definitions and symbols
4 Principle
5 Apparatus
6 Sampling
7 Preparation
   7.1 Sample preparation
   7.2 Temperature
   7.3 Dispersion
8 Procedure
   8.1 Line-start methods
   8.2 Homogeneous technique
9 Tests in duplicate and validation
   9.1 Tests in duplicate
   9.2 Validation
10 Calculation of results
   10.1 General
   10.2 Calculation of particle size
   10.3 Calculation of cumulative mass percentage
11 Reporting of results
Annex A (informative) Worked example
Annex B (informative) Extinction curve, example
        for titanium dioxide
Annex C (informative) Effect of radial dilution
Bibliography

Includes methods for determining the particle size distribution of particulate materials by means of centrifugal sedimentation in a liquid.

This part of ISO13318 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 this part of ISO13318 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 0,1µm to 5µm. 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.

Committee	LBI/37
DevelopmentNote	Supersedes 00/122547 DC. (09/2002) Together with BS ISO 13318-1 and BS ISO 13318-3, supersedes BS 3406-6(1985). (08/2007)
DocumentType	Standard
Pages	26
PublisherName	British Standards Institution
Status	Current
Supersedes	BS ISO 13318-2:2001 BS 3406-6:1985 00/122547 DC : JULY 2000

Standards	Relationship
ISO 13318-2:2007	Identical

ISO 13318-1:2001	Determination of particle size distribution by centrifugal liquid sedimentation methods Part 1: General principles and guidelines
ISO 14887:2000	Sample preparation Dispersing procedures for powders in liquids

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BS ISO 13318-2:2007

Current

Table of Contents

Abstract

Scope

General Product Information

International Equivalents

Standards Referencing This Book

Category

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