标准摘要
[中文适用范围]： 本文件规定了从褐煤和褐煤中蒸馏至最终温度 520 °C 所得焦油、水、煤气和焦炭残渣产率的测定方法。 [外文原描述]： ISO 647:2017 specifies a method for the determination of the yields of tar, water, gas and coke residue obtained from brown coal and lignite by distillation to a final temperature of 520 °C.
英文名称Brown coals and lignites — Determination of the yields of tar, water, gas and coke residue by low temperature distillation