Preparation of photographic silver halide emulsions

Details Preparation of photographic silver halide emulsions Preparation of photographic silver halide emulsions

1976-03-12

1977-11-08

Klein, David

Gas separation: apparatus

Electric field separation apparatus

Electrode retaining or supporting means

961147, 23295G, G03C 102, B01J 1700

Patent

active

040574296

ABSTRACT:
In the preparation of silver halide emulsions silver halide grain-growth is accelerated by the addition to the precipitation medium during or before silver halide precipitation of a compound of the formula ##STR1## wherein: N IS AN INTEGER FROM 1 TO 5

REFERENCES:
patent: 3843372 (1974-10-01), Jefferson
patent: 3850636 (1974-11-01), Shimamura et al.
Glafkides--Photographic Chemistry, vol. I, Fountain Press, London,.COPYRGT. 1957, pp. 286-287.
Birr-Stabilization of Photographic Silver Halide Emulsions. .COPYRGT.74, Focal Press, pp. 3 and 4.
Farnell--The Relationship Between Speed and Grain Size, J of Photo Sci., vol. 17, 1969, pp. 116-125.

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