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ISO 1017:1985

Brown coals and lignites — Determination of acetone-soluble material ("resinous substances") in the toluene-soluble extract
12. 12. 1985.
95.99   Povučen   29. 11. 2006.

Опште информације

95.99     29. 11. 2006.

ISO

ISO/TC 27/SC 5

Međunarodni standard

73.040  

francuski   engleski  

Kupovina

Povučen

Jezik na kome želite da primite dokument.

Apstrakt

A sample of toluene-soluble extract from brown coal or lignite obtained by the procedure describes in ISO 975 is extracted with acetone at a temperature of 18 to 22 °C. The soluble fraction is filtered or centrifuged off and after evaporation of the solvent dried to constant mass. The percentage of acetone-soluble material is calculated from the mass of reidue after drying.

Životni ciklus

PRETHODNO

POVUČEN
ISO 1017:1975

TRENUTNO

POVUČEN
ISO 1017:1985
95.99 Povučen
29. 11. 2006.

REVIDIRAN OD

POVUČEN
ISO 1017:2006