ISO 7404-3:2009

Name: ISO 7404-3:2009
Brand: ISO
SKU: ISO 7404-3:2009
Price: 81.07 EUR
Availability: InStock
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Methods for the petrographic analysis of coals — Part 3: Method of determining maceral group composition

Publication date: Sep 24, 2009

95.99 Withdrawal of Standard Oct 27, 2025

General information

Current stage: 95.99 Withdrawal of Standard Oct 27, 2025

Originator: ISO

Owner: ISO/TC 27/SC 5 Methods of analysis

Type: International Standard

ICS: 73.040 Coals

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Status: Withdrawn

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Languages: English

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Scope

ISO 7404-3:2009 specifies a method for determining the proportions of the maceral groups (and the minerals, if desired) in coals. ISO 7404-3:2009 is applicable only to determinations made on polished particulate blocks using incident white light. For lower-rank coals, the additional use of the fluorescence mode is necessary to identify liptinites.

Life cycle

PREVIOUSLY

WITHDRAWN
ISO 7404-3:1994

NOW

WITHDRAWN
ISO 7404-3:2009
95.99 Withdrawal of Standard
Oct 27, 2025

REVISED BY

ABANDON
ISO/WD 7404-3

PUBLISHED
ISO 7404-3:2025