ISO 1017:1985

Brown coals and lignites — Determination of acetone-soluble material ("resinous substances") in the toluene-soluble extract

95.99 Withdrawal of Standard Nov 29, 2006

General information

Current stage: 95.99 Effective date: Nov 29, 2006

Originator: ISO

Owner: ISO/TC 27/SC 5

Type: International Standard

ICS: 73.040

Scope

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.

Life cycle

PREVIOUSLY

Revises
ISO 1017:1975

NOW

WITHDRAWN
ISO 1017:1985
95.99 Withdrawal of Standard
Nov 29, 2006

REVISED BY

PUBLISHED
ISO 1017:2006

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