电感耦合等离子体发射光谱（ICP-OES）法测定二次电池废料中锂、镍、钴、锰的含量

Determination of Lithium,Nickel,Cobalt and Manganese in Waste Secondary Battery by Inductively Coupled Plasma Optical Emission Spectrometry

采用HCl-HNO 3溶解样品,使用电感耦合等离子体发射光谱(ICP-OES)法直接测定二次电池废料中含量低于20%的锂、镍、钴和锰的含量。选用元素最佳分析谱线和仪器合适的工作条件测定实际样品,实验结果表明共存元素对测定结果基本没有影响。相对标准偏差(n=11,RSD<2%)。通过不同方法的测试结果对比,同一样品的不同测定结果基本吻合,结果表明,方法操作快速简便,分析结果准确,能够满足二次电池废料中20%以下的锂、镍、钴和锰的测定。

HCl-HNO 3 was used to dissolve the sample and ICP-OES was used to directly determine lithium,nickel,cobalt and manganese content that less than 20%in waste secondary battery.The optimum analytical line of elements and suitable working conditions of the instrument were selected to determine the actual samples.The experimental results showed that the coexisting elements had little effect on the determination results.Relative standard deviation(n=11),RSD<2%.By comparing the test results of different methods,the different test results of the same sample are basically identical.The results show that the method is fast,simple and accurate,and can meet the requirements of the determination of lithium,nickel,cobalt and manganese that less than 20%in waste secondary battery.