The chemical components of solution and the electrolysis technique in order to remove Nickel from brass basis without cyanide are investigated.
着重研究了在黄铜基体上无氰退镍液的化学组成及退镍的电解工艺规律性。
2
With bright nickel strike plating before pulse non-cyanide silver plating, brighter and finer silver coatings with stronger anti-tarnish property and corrosion resistance can be obtained.
光亮镍打底后再脉冲无氰镀银，可获得更加光亮、结晶细致的镀银层，且抗变色性能及耐蚀性均增强。
3
The quality of nickel deposit is an important indicator to test the performance of cyanide-free zincating solution for high-Si aluminum alloy.