| 摘要 |
The present invention relates to the chemical stripping of nickel and nickel alloys from metallic and non-metallic substrates wherein at least one compound that is, or can form in solution, a zwitterion acts as a complexing agent for the metal being dissolved and as a buffer to control the pH of the stripping solution. The present invention discloses an electrical method for the rapid stripping of high-phosphorus electroless nickel plating. The present invention provides an electrical process for the efficient removal of the residual smut that ensues from the sulfide ion catalysis of the chemical stripping process.
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