Process for the preparation of silver halide emulsions

Radiation imagery chemistry: process – composition – or product th – Radiation sensitive product – Silver compound sensitizer containing

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G03C 102

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042411734

ABSTRACT:
Silver halide is precipitated in a large excess of a soluble chloride that forms together with silver ions a silver salt more readily soluble than the silver salt of the final emulsion. By precipitation of silver halide in the presence of the soluble chloride used in excess part of the silver chloride is carried along with the less soluble silver halide and may subsequently be converted into the less soluble silver halide.

REFERENCES:
patent: 3320069 (1967-05-01), Illingsworth
patent: 3482982 (1969-12-01), Miyata
Duffin: Photographic Emulsion Chemistry, The Focal Press, 1969, pp. 66-67.
Baker: Photographic Emulsion Technique, 2nd Edition, American Photographic Publishing Co., 1948, pp. 119-120.

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