Preparation of bismuth modified spheroidal malachite

Details Preparation of bismuth modified spheroidal malachite Preparation of bismuth modified spheroidal malachite

1977-06-06

1978-08-29

Garvin, Patrick P.

Compositions

Preservative agents

Anti-oxidants or chemical change inhibitants

252443, 568855, B01J 2720

Patent

active

041102495

ABSTRACT:
Spheroidal agglomerates of malachite crystals are prepared by bringing together solutions of a cupric salt, a bismuth salt and an alkali metal carbonate or bicarbonate to form a mixture containing amorphous hydrated copper carbonate, and then holding the mixture, without agitation, at a temperature of less than about 55.degree. C.

REFERENCES:
patent: 2300969 (1942-11-01), Reppe et al.
patent: 3650985 (1972-03-01), Kirchner

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