ISO 7404-2:2009

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

Publication date: 24 sht 2009

General information

Current stage: 90.92 Effective date: 20 maj 2023

Originator: ISO

Owner: ISO/TC 27/SC 5

Type: International Standard

ICS: 73.040

Gjuha: anglisht

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Statusi: Publikuar

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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

Revises
ISO 7404-2:1985

NOW

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

REVISED BY

ABANDON
ISO/WD 7404-2

IN_DEVELOPMENT
ISO/CD 7404-2

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