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ISO/WD 7404-2

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

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20.98     7. 10. 2022.

ISO

ISO/TC 27/SC 5

Međunarodni standard

Apstrakt

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.

Životni ciklus

PRETHODNO

POVUČEN
ISO 7404-2:2009

TRENUTNO

NAPUŠTEN
ISO/WD 7404-2
20.98 Projekat se briše iz plana rada komisije za standarde
7. 10. 2022.