Chemistry: electrical and wave energy – Processes and products
Patent
1979-12-17
1982-07-20
Morganstern, Norman
Chemistry: electrical and wave energy
Processes and products
204234, 204DIG13, C25D 348
Patent
active
043404510
ABSTRACT:
The gold content of a gold plating bath is replenished by circulating the plating solution through an AuCN containing vessel. The plating solution contains sufficient free cyanide to render the gold soluble by producing the soluble Au(CN).sub.2.sup.- ion.
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G. Brauer, Handbook of Preparative Inorganic Chemistry, 2nd Ed., Academic Press, N.Y. 1965, pp. 1064-1066.
Okinaka Yutaka
Wolowodiuk Catherine
Bell Janyce A.
Bell Telephone Laboratories Incorporated
Laumann Richard D.
Morganstern Norman
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