60.60 Standard published May 29, 2025
ISO
ISO/TC 27/SC 5 Methods of analysis
International Standard
73.040 Coals
This document specifies a method of determining the mass fraction of acetone-soluble material (“resinous substance”) in the benzene-soluble extract from brown coals and lignites.
NOTE The acetone extract also contains a mass fraction of wax dissolved simultaneously with the "resinous substance".
WITHDRAWN
ISO 1017:2006
PUBLISHED
ISO 1017:2025
60.60
Standard published
May 29, 2025