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ISO 20203:2005

Carbonaceous materials used in the production of aluminium — Calcined coke — Determination of crystallite size of calcined petroleum coke by X-ray diffraction ISO 20203:2005

Publication date:   Oct 6, 2005

General information

90.93   Standard confirmed   Mar 18, 2026

ISO

ISO/TC 226 Materials for the production of primary aluminium

International Standard

77.120.10   Aluminium and aluminium alloys

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Scope

ISO 20203:2005 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.
ISO 20203:2005 applies to carbonaceous materials used in the production of aluminium.

Life cycle

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PUBLISHED
ISO 20203:2005
90.93 Standard confirmed
Mar 18, 2026




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