ISO 7404-2:2009

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

Datum objavljivanja: 24. 9. 2009.

95.99 Povučen 27. 10. 2025.

Опште информације

Trenutna faza: 95.99 Effective date: 27. 10. 2025.

Inicijator: ISO

Pripada: ISO/TC 27/SC 5

Vrsta: Međunarodni standard

ICS: 73.040

Jezik: engleski

Kupovina

Status: Povučen

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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 7404-2:1985

TRENUTNO

POVUČEN
ISO 7404-2:2009
95.99 Povučen
27. 10. 2025.

REVIDIRAN OD

NAPUŠTEN
ISO/WD 7404-2

OBJAVLJEN
ISO 7404-2:2025