综述了提高化学镀镍液寿命的技术。化学镀镍液在使用过程中无论是镍离子、次磷酸钠、氢离子等的浓度都在不停的变化着，要想获得性能稳定的镀液，必须对溶液进行严格的在线分析与补充。对此人们进行了大量的研究工作，开发出了包括间隔取液法、化学沉淀法、电渗析法等各种处理老化溶液的方法，以提高化学镀镍液的寿命。重点讨论了电渗析法在化学镀镍液处理技术中所占有的重要位置。
The technologies to prolong the bath life of electroless nickelwere summarized. When the electroless nickel bath works, the concentration of Ni2+, HPO-2 and H+ is changed continuously. In order to maintain its stability, the bath must be analyzed on-line and supplied rigorous. Many methods including interval supplying, chemical precipitation and electrodialysis were developed to prolong the bath life. Discussion was emphasized on electrodialysis method.
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