Use of H.sub.2 SO.sub.4 H.sub.3 PO.sub.4 to remove electrolytic

Details Use of H.sub.2 SO.sub.4 H.sub.3 PO.sub.4 to remove electrolytic Use of H.sub.2 SO.sub.4 H.sub.3 PO.sub.4 to remove electrolytic

1983-08-10

1984-11-13

Andrews:, R.

Chemistry: electrical and wave energy

Processes and products

204 56R, 204109, 204130, 134 3, 134 41, C25B 304, C25B 120

Patent

active

044824360

ABSTRACT:
Less co-dissolution of silver results when base metal-containing deposits on the surfaces of silver objects are dissolved off with sulphuric or phosphoric acid, rather than hydrochloric acid.

REFERENCES:
patent: 4242183 (1980-12-01), Kyriacov
Handbook of Chem. & Physics, 32nd Ed., Chem. Rubber Co., pp. 562-563.
Metals: by U. R. Evans et al., E. Arnold Ltd., p. 348.
Corrosion Handbook by H. H. Ulig, John Wiley & Sons, pp. 316-318.

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