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ISO 7404-3:2009

Methods for the petrographic analysis of coals — Part 3: Method of determining maceral group composition
24. 9. 2009.
95.99   Povučen   27. 10. 2025.

Опште информације

95.99     27. 10. 2025.

ISO

ISO/TC 27/SC 5

Međunarodni standard

73.040  

engleski  

Kupovina

Povučen

Jezik na kome želite da primite dokument.

Apstrakt

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.

Životni ciklus

PRETHODNO

POVUČEN
ISO 7404-3:1994

TRENUTNO

POVUČEN
ISO 7404-3:2009
95.99 Povučen
27. 10. 2025.

REVIDIRAN OD

NAPUŠTEN
ISO/WD 7404-3

OBJAVLJEN
ISO 7404-3:2025