Method of dissolving a silver coating in a photo tank

Details Method of dissolving a silver coating in a photo tank Method of dissolving a silver coating in a photo tank

1975-10-20

1977-05-03

Bashore, S. Leon

Cleaning and liquid contact with solids

Processes

For metallic, siliceous, or calcareous basework, including...

75118P, 134 22R, 134 42, 252100, 252102, B08B 308

Patent

active

040212645

ABSTRACT:
Silver coatings in photographic tanks are dissolved with an aqueous solution of an alkali mono or di peroxysulfate, an alkali bisulfate and thiourea.

REFERENCES:
patent: 2304427 (1942-12-01), Sibley
patent: 2585616 (1952-02-01), Barnes
patent: 3434796 (1969-03-01), Colombo et al.
patent: 3625908 (1971-12-01), Magin
patent: 3738867 (1973-06-01), Franz
Remy, Treatise on Inorganic Chemistry, 1956, p. 198.

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