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THE MECHANISM OF THE SENSITIZATION OF PHOTOGRAPHIC EMULSIONS BY TRIETHANOLAMINE (in Rumanian)

Journal Article · · Acad. Rep. Populare Romine, Studii Cercetari Fiz.
OSTI ID:4772366
;
The reductive power of triethanolamine in solutions on AgBr was studied as a function of the concentration and solution pH. The difference between the mechanism of the action of the amine and that of alkalis (the action of OH ions) was shown. The mode of variation of the redox potential of the amine solutions containlng AgBr in suspension and the irreversibility of the amine sensitization effect have led to the conclusion that the sensitizing effect is a function of reducing power. It follows that the effect is connected to the increase of sensitivity centers. The sensitizing effect of the amine is not connected to the effect of the pH on the sensitivity of the photographic emulsion. The dependence of the pH of the sensitizing action is explnined, by the variation of the reducing power of triethanolamine with the pH. (tr-auth)
Research Organization:
Inst. of Atomic Physics, Bucharest
NSA Number:
NSA-17-012234
OSTI ID:
4772366
Journal Information:
Acad. Rep. Populare Romine, Studii Cercetari Fiz., Journal Name: Acad. Rep. Populare Romine, Studii Cercetari Fiz. Vol. Vol: 13
Country of Publication:
Country unknown/Code not available
Language:
Rumanian

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Related Subjects

AMINES
CHEMISTRY
ETHANOL