Coelectrodeposition of aluminium and cadmium from aqueous sulphate solutions
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Coelectrodeposition of aluminium and cadmium from aqueous solutions is shown to be possible under very restricted conditions. The deposits are in a divided form and contain up to 40% aluminium. Lower cadmium ion concentration in the solutions leads to a higher proportion of aluminium in the deposit and there is an optimum concentration for the sulphuric acid in solution. Faradaic yields for metal electrodeposition are, however, low and hydrogen evolution is the predominant reaction.
KeywordsHydrogen Aluminium Sulphate Aqueous Solution Cadmium
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