标准摘要
[中文适用范围]： 本文介绍了用稀盐酸从煤中进行提取以及可提取的钠、钾、钙、铁和镁的测定。 [外文原描述]： This document describes the extraction from coal by dilute hydrochloric acid and determination of extractable sodium, potassium, calcium, iron and magnesium.
英文名称Coal — Determination of extractable metals in dilute hydrochloric acid