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A

Alloy deposition

Simultaneous electrolytic deposition of several metal ions. However, due to the different noble/non-noble character of the individual metals, alloy deposition from a solution of simple metal cations is usually not possible. For example, the current density potential curves for Cu2+ and Zn2+ ions show that copper-zinc alloys (brass) cannot be obtained from an electrolyte of copper(II) and zinc sulphate (both curves are too far apart here). By complexing with CN ions (cyanide), however, the curves are shifted in such a way that a common precipitate formation can take place.

(Source: "Magazine for Surface Technology")

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