Lead sulfide activation process

Details Lead sulfide activation process Lead sulfide activation process

1954-10-25

1978-07-18

Schafer, Richard E.

Compositions

Electrically conductive or emissive compositions

Light sensitive

252518, 423 92, 423561R, H01B 100

Patent

active

041014529

ABSTRACT:
1. The process of photosensitizing lead sulfide comprising adding a persulfate solution to intermixed solutions of thiourea, lead acetate and sodium hydroxide whereby activated lead sulfide is precipitated therefrom.

REFERENCES:
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patent: 2868736 (1959-01-01), Weinreich
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patent: 3003075 (1961-10-01), Krieger
patent: 3005970 (1961-10-01), Rocard et al.
patent: 3017296 (1962-01-01), Dunn et al.
patent: 3026218 (1962-03-01), Morgan
patent: 3030236 (1962-04-01), Cooperstein
patent: 3595690 (1971-07-01), Cooperstein
Mellor, Comprehensive Treatise on Inorganic and Theoretized Chemistry, vol. 7, p. 783, (1927).
Kicinski -- Chemistry and Industry -- (1948), pp. 54-57.

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