【摘 要】
：
<正> 一前言废水中微量铅的分析,目前大多采用双硫腙比色法,此法虽灵敏度高,但有试剂易分解需用剧毒物品氰化物,操作繁、又需反复萃取等不足,为此感到有诸多不便。本方法将以
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<正> 一前言废水中微量铅的分析,目前大多采用双硫腙比色法,此法虽灵敏度高,但有试剂易分解需用剧毒物品氰化物,操作繁、又需反复萃取等不足,为此感到有诸多不便。本方法将以普通的络合指示剂二甲酚橙(以下简称XO)作为废水中微量铅(Ⅱ)的显色剂直接测定废水中微量铅(Ⅱ),在分析程序上尽量做到快速简便,二甲酚橙在光度分析中主要应用于金属合金,在水质分析方面应用甚少。本文研究了水中微量铅(Ⅱ)与XO显色剂新的试剂体系,通过研究并经大量实验,取得良好效果。本法通过对工业废水、运河水及地面水的测定,效果令人
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