Method of preparing purified silver nitrate

Details Method of preparing purified silver nitrate Method of preparing purified silver nitrate

1977-07-11

1979-01-23

Peters, G. O.

Chemistry of inorganic compounds

Nitrogen or compound thereof

Oxygen containing

423 43, 75109, 204109, C01B 2148, C01G 500

Patent

active

041361571

ABSTRACT:
A method of preparing silver nitrate of an improved purity comprising adding about 50 to about 1000 ppm of Al.sup.3+ ion to a crude silver nitrate solution resulting from dissolving metallic silver in nitric acid, adjusting the pH of the silver nitrate solution to about 5.5 to about 6.5 by adding silver oxide thereto, and then separating the precipitate formed.

REFERENCES:
patent: 1963893 (1934-06-01), Drouilly
patent: 2543792 (1951-03-01), Marasco et al.
patent: 2614029 (1952-10-01), Moede
patent: 3141731 (1964-07-01), Dietz
patent: 3554883 (1971-01-01), Green

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