作废 MT/T 742.1-1997
煤矿水中总铬的测定方法 煤矿水中总铬的测定方法 Determination of chrominum in mine water
发布日期:
实施日期:
分类信息
标准简介

本标准规定用二苯基碳酰二肼比色法测定煤矿水中的总铬。本标准适用于煤矿水中总铬的测定。在本标准规定条件下,测定总铬含量的范围是0.004~1mg/L,稀释水样可扩大测定范围

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最后更新时间 2025-08-29