Abstract

Copper powder was electrodeposited from a solution containing copper sulphate and sulphuric acid. The stability of the powder, as measured by the resistance to oxidation, was assessed over a range of temperatures using a thermal balance. Similar powder was treated with an aqueous solution of benzotriazole, a specific corrosion inhibitor for copper, and also tested. Powder was also deposited from a standard bath containing benzotriazole and the properties of the powder determined. The use of benzotriazole was beneficial in improving the stability of the powder.

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