LIU Minghao,SUN Yufeng,REN Chunyu,et al.Rapid Online Analysis of Main Components of Alkaline Zinc?Nickel Alloy Electroplating Solution[J].Plating & Finishing,2019,(1):27-32.[doi:10.3969/j.issn.1001-3849.2019.01.006]
碱性锌镍电镀液主要成分的快速在线分析
- Title:
- Rapid Online Analysis of Main Components of Alkaline Zinc?Nickel Alloy Electroplating Solution
- 分类号:
- TQ153
- 文献标志码:
- A
- 摘要:
- 传统的碱性锌镍镀液分析方法采用加入氰化钾掩蔽镍离子，用EDTA滴定的方法测定锌。由于氰化物是一种剧毒物质，国家已明令禁用，通过对锌-镍合金镀液分析方法的研究，建立了一种快速、准确的测试方法。该方法通过EDTA滴定测定锌镍离子的总含量，再通过分光光度法测定镍离子的含量，从而计算锌离子的含量。该方法的准确度与回收率都符合要求。根据大量的实验操作与数据汇总，制作出了锌镍合金电镀液在线快速分析试剂盒。采用本试剂盒可随时对碱性镀锌镍合金电镀液中主要成分进行在线测定，实现碱性锌镍合金电镀行业彻底无氰化工作，在生产条件和实验室设备不完善的电镀厂有广泛的应用前景。
- Abstract:
- In alkaline zinc-nickel alloy electroplating solution analysis of traditional industry standards,zinc ion is titrated by EDTA after nickel ion is masked by potassium cyanide. As the cyanide is a highly toxic substance,the government has explicitly prohibited it. A rapid and accurate test method for Zn-Ni alloy plating solution was established. The total concentration of zinc and nickel ions was firstly titrated by EDTA. Then the nickel ion was measured by the spectrophotometric method,and the concentration of zinc ion was calculated. The accuracy and recovery rate of the method could meet the requirements.According to a large number of experimental operation and data collection,the assay kit for rapid detecting principal components of alkaline zinc-nickel alloy electroplating solution was produced. The kit may at any time detect the principal components of alkaline zinc-nickel alloy electroplating solution to make alkaline zinc-nickel alloy electroplating industry completely cyanide-free work, which has a wide application prospect for electroplating plants with imperfect production conditions and laboratory equipment.
参考文献/References:
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备注/Memo
收稿日期： 2018-05-16
修回日期： 2018-07-29
基金项目： 基金项目:辽宁省大创项目（201710144049）