标准摘要
[中文适用范围]： 本文件规定了测定褐煤和褐煤中苯溶萃取物收率的半自动方法。 [外文原描述]： This document specifies a semi-automatic method for determination of the yield of benzene-soluble extract in brown coals and lignites.
英文名称Brown coals and lignites — Determination of yield of benzene-soluble extract — Semi-automatic method