Electrolytic bath for the deposition of rhodium coatings

Chemistry: electrical and wave energy – Processes and products

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C25D 352

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044028024

ABSTRACT:
There is described an electrolytic bath for the deposition of haze-free glossy rhodium coatings which furnish a white gold-like tint and low tension flims. This bath in addition to rhodium sulfate or phosphate, sulfuric acid and/or phosphoric acid also contains a sulfonic acid, especially an aromatic sulfonic acid, as for example, phenolsulfonic acid.

REFERENCES:
patent: 3515651 (1970-06-01), Ohkubo
Wiesner et al., Further Studies in Heavy Rhodium Plating, Plating, vol. 43, 3/56, pp. 347-355.

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