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ku lun di ding fa ce ding wei jing zhong shen han liang
Author(s): 
Pages: 42-45
Year: Issue:  3
Journal: FAJIAO KEJI TONGXUN

Keyword:  库仑滴定法砷含量检流计电解过程味精滴定剂定量反应测定方法滴定法测定恒电流;
Abstract: <正> 味精工业中,对砷含量的测定多采用砷斑比较法。但判断砷斑颜色深浅误差较大,故在这里介绍一种较为准确的测定方法——库仑滴定法。一、原理库仑滴定法是建立在控制电流电解过程基础上的一种相当准确而灵敏的分析方法。与待测物质起定量反应的“滴定剂”由恒电流
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