Is My Nickel Gone?

I am looking for a quick test to determine if a nickel plate has been completely removed from a steel substrate.


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 Q. I am looking for a quick test to determine if a nickel plate has been completely removed from a steel substrate. B. J.

 
A. This question comes up from time to time. There are sophisticated instrument-based methods that you can use to determine the presence of nickel on a substrate. However, sometimes a simple, straightforward test will give you an answer. In this case, the simplest way to make a determination is to dip the part in a copper sulfate solution. An immersion deposit of copper will form on bare steel. Areas with nickel on the surface will not form a copper immersion deposit. The deposit can be wiped off after the test.
 

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