Nickel content in bright and pearl nickel plating baths are traditionally determined by EDTA titration, which has poor selectivity and brings environmental pollution.

• 光亮镍和珍珠镍镀液中镍的测定通常采用EDTA滴定法,该法选择性低,易造成环境污染,本文采用分光光度法进行分析。