ZHAO Tao,ZHANG Dezhong,MAO Zuguo.Method and Optimization of Palladium Chloride Test for Evaluating the Stability of Electroless Nickel Plating Solution[J].Plating & Finishing,2019,(10):43.[doi:10.3969/j.issn.1001-3849.2019.10.010]
氯化钯实验评价化学镀镍溶液稳定性的方法与优化
- Title:
- Method and Optimization of Palladium Chloride Test for Evaluating the Stability of Electroless Nickel Plating Solution
- Keywords:
- electroless plating; stability; palladium chloride; stability factor
- 文献标志码:
- A
- 摘要:
- 采用氯化钯实验方法评价化学镀镍溶液稳定性，研究了氯化钯在三种含Cl-体系中溶解情况，优化氯化钯溶液配制方法。对比了时间法、体积法和升温法三种方法的优缺点，优选出时间法并对其工艺参数进行优化。通过实验验证了新方法的精密度和准确性。结果表明，采用氯化铵体系溶解氯化钯，以时间法作为实验方法，并将实验温度升高为“镀液最佳工作温度”更能准确体现镀液稳定性，提高实验效率。实验证明改进后的氯化钯实验方法具有较高的精密度和准确度。
- Abstract:
- Palladium chloride test was used to evaluate the stability of electroless nickel plating solution. The dissolution of palladium chloride in three Cl- systems was studied, and the preparation of palladium chloride solution was optimized. The advantages and disadvantages of time method, volume method and heating method were compared, and the time method was optimized as well as the parameter parameters. The precision and accuracy of the improved time method were verified by experiment. The results showed that the stability of plating bath could be reflected accurately by using ammonium chloride system to dissolve palladium chloride, using the improved time method as the test method, and changing the test temperature to the best working temperature of plating bath. The experiment results showed that the improved palladium chloride test method had high precision and accuracy.
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备注/Memo
收稿日期： 2019-05-06；修回日期： 2019-07-15
通讯作者： 张德忠，研究员，研究方向为金属表面处理技术及其标准号，Email：dezhong@foxmail.com