Brass plating is one of the oldest cyanide plating solutions. Records of it go back to 1841 in Russia by a German chemist. All of the alloys, from pure copper to pure zinc, can be plated and useful alloys cover most of the entire range. Much of the literature is incomplete and contains false conclusions. The range of solutions that can be used is extremely wide, so only some of the most useful and stable are given.
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