BS ISO 13318-2:2007
Current
The latest, up-to-date edition.
Determination of particle size distribution by centrifugal liquid sedimentation methods Photocentrifuge method
Hardcopy , PDF
English
31-10-2007
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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.
| 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 |
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.
| 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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