论文部分内容阅读
提出用3,5-Cl_2-PADAT作为络合滴定铜的新指示剂,在盐酸或硝酸溶液中,铜生成络合物而可直接测定。本法适用于Ag-Cu,Au-Cu合金中铜的测定。
Proposed using 3,5-Cl_2-PADAT as a new indicator of complexometric titration of copper in hydrochloric acid or nitric acid solution, copper complexes can be determined directly. This method is applicable to the determination of copper in Ag-Cu and Au-Cu alloys.