ISO 1017:1985
Brown coals and lignites; Determination of acetone-soluble material ("resinous substances") in the toluene-soluble extract

Standard No.

ISO 1017:1985

Release Date

1985

Published By

International Organization for Standardization (ISO)

Status

Withdraw

Replace By

ISO 1017:2006

Latest

ISO 1017:2006

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 鳦. 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.

ISO 1017:1985 history

• 2006 ISO 1017:2006 Brown coals and lignites - Determination of acetone-soluble material ("resinous substance") in the benzene-soluble extract
• 1985 ISO 1017:1985 Brown coals and lignites; Determination of acetone-soluble material ("resinous substances") in the toluene-soluble extract
• 1975 ISO 1017:1975 Brown coals and lignites — Determination of acetone-soluble material ("resinous substances") in the benzene extract