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ISO 7404-2:2009

Methods for the petrographic analysis of coals — Part 2: Methods of preparing coal samples

Sep 24, 2009
95.99   Withdrawal of Standard   Oct 27, 2025

General information

95.99     Oct 27, 2025

ISO

ISO/TC 27/SC 5

International Standard

73.040  

English  

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Scope

ISO 7404-2:2009 specifies methods for preparing a polished particulate block from a sample of crushed coal for analysis by reflectance microscopy. These methods can also be applied to the preparation of a polished, embedded lump of coal.

Life cycle

PREVIOUSLY

WITHDRAWN
ISO 7404-2:1985

NOW

WITHDRAWN
ISO 7404-2:2009
95.99 Withdrawal of Standard
Oct 27, 2025

REVISED BY

ABANDON
ISO/WD 7404-2

PUBLISHED
ISO 7404-2:2025