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BS ISO 20203:2005

Current

Current

The latest, up-to-date edition.

Carbonaceous materials used in the production of aluminium. Calcined coke. Determination of crystallite size of calcined petroleum coke by X-ray diffraction

Available format(s)

Hardcopy , PDF

Language(s)

English

Published date

12-01-2006

Foreword
Introduction
1 Scope
2 Terms and definitions
3 Principle
4 Apparatus
5 Reagents and materials
6 Sample preparation
7 Calibration
8 Procedure
9 Calculation
10 Reporting of results
11 Precision and bias
Bibliography

Describes a test method for the determination of the mean crystallite height of a representative, pulverized sample of calcined petroleum coke by interpretation of an X-ray diffraction pattern produced through conventional X-ray scanning techniques.

This International Standard describes a test method for the determination of the mean crystallite height of a representative, pulverized sample of calcined petroleum coke by interpretation of an X-ray diffraction pattern produced through conventional X-ray scanning techniques.

It applies to carbonaceous materials used in the production of aluminium.

Calcined petroleum coke contains crystallites of different heights. This test method covers the determination of the average height of all crystallites in the sample by empirical interpretation of the X-ray diffraction pattern. The crystallite diameter (La) is not determined by this test method.

Committee
W/-
DevelopmentNote
Supersedes 03/321256 DC (01/2006) Reviewed and confirmed by BSI, March 2015. (03/2015)
DocumentType
Standard
Pages
14
PublisherName
British Standards Institution
Status
Current
Supersedes

Standards Relationship
ISO 20203:2005 Identical

ISO 6375:1980 Carbonaceous materials for the production of aluminium Coke for electrodes Sampling

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