ISO 1017:2025

Brown coals and lignites — Determination of acetone-soluble material (“resinous substance”) in the benzene-soluble extract Published (Edition 4, 2025)

Abstract

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”.