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Bright copper deposit. Bright copper deposit is said to be obtained when plating in a bath composed of (per gal): 8 oz Cu [as Cu2 (CN)2]; 1.5 oz KCN (free); 6 oz KOH; 8 oz K2CO3; 1 g Co (added as CoSO4. 6H2O). At a pH of 12.8, this bath was used to obtain a copper deposit at 50°C and 10–50 A/ft2. (917,936—S. A. Vickers Ltd., London.)
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© MCB UP Limited
1964
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