Liquid composition for artificial production of verdigris

Details Liquid composition for artificial production of verdigris Liquid composition for artificial production of verdigris

1984-10-29

1985-12-24

Morris, Theodore

Compositions: coating or plastic

Coating or plastic compositions

Inorganic materials only containing at least one metal atom

106288B, C09D 100, C04B 3100

Patent

active

045604150

ABSTRACT:
There is disclosed a liquid composition which is useful for the artificial production of verdigris, said composition comprising an aqueous solution which is acidic due to the presence of free hydrochloric acid and contains an iron salt and a copper salt, said iron and copper salts being dissolved in water in such amounts that dissolved iron is not more than 5.0 g/L and dissolved copper is not more than 20 g/L, said aqueous solution having also dissolved therein at least one alkaline earth metal salt in such an amount that it is effective as a humectant, the total amount of the dissolved iron salt, copper salt and alkaline earth metal salt being in the range of 40-200 g/L and said aqueous solution having a pH of 2.0 or less as measured with a pH meter.

REFERENCES:
patent: 4038101 (1977-07-01), Thompson

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