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dian hua xue jian ce qi li zi se pu fa ce ding shui zhong wei liang qing li zi
Pages: 178-184
Year: Issue:  2
Journal: Land & Resources

Keyword:  电化学检测器—离子色谱法;
Abstract: 本文探讨了HPIC—AS3分离柱分离,Dionex2020i型离子色谱仪—电化学检测器测定水中微量CN-的诸条件,并考察了干扰离子及CN-络合物对CN-测定的影响。采用两根AS3分离柱串联的方法提高分辨率,150ppmCl-对5ppbCN-无干扰。方法检出限0.14PPb。5ppbCN-11次测定结果相对标准偏差为1.2%。本法可用于地表水、地下水、污水及工业废水中氰离子的分析。
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