ISO 7404-2:2009

Methods for the petrographic analysis of coals — Part 2: Methods of preparing coal samples ISO 7404-2:2009

Publication date:   Sep 24, 2009

General information

90.92 Standard to be revised   May 20, 2023

ISO

ISO/TC 27/SC 5 Methods of analysis

International Standard

73.040   Coals

Buying

Published

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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WITHDRAWN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

PUBLISHED
ISO 7404-2:2009
90.92 Standard to be revised
May 20, 2023

REVISED BY

ABANDON
ISO/WD 7404-2

IN_DEVELOPMENT
ISO/DIS 7404-2