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Test Methods of Iron Chelating Capacity of Chelating Agents and Comparison Thereof
Author(s): 
Pages: 16-18
Year: Issue:  3
Journal: Paper Chemicals

Keyword:  络合滴定法Fe(OH)3沉淀法碘量法铁螯合值;
Abstract: 采用络合滴定法、Fe(OH) 3沉淀法和碘量法等3种方法测定螯合剂EDTA的铁螯合值,并对测试结果和操作过程进行比较.结果表明,络合滴定法相对标准偏差最小,精度最高,操作简单、方便,且不受放置时间、溶液本身颜色的影响.故测定螯合剂铁螯合值时选用此法为宜.
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