Bulletin de la Société Royale des Sciences de Liège

0037-9565 1783-5720

 

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Yvon RENOTTE

INFLUENCE D'UN TRAITEMENT THERMIQUE SUR LA SENSIBILITÉ D'ÉMULSIONS AgBr PRIMITIVES

(Volume 51 - Année 1982 — Numéro 5 - 8)
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Abstract

The temperature dependence of sensitivity was studied in unsensitized and undyed emulsions containing octahedral or cubic silver bromide grains of uniform size (0.4 or 0.8 (10-6 m) in a relatively inactive-gelatin layer.  The samples were heated up to 200 °C before exposure at room temperature.  It was shown that the surface sensitivity increased up to 75 °C but decreased over 120 °C.  In the same range of temperatures the internal sensitivity increased slowly and the deep one decreased.  The significant experimental results can be summarized as follows : the sensitivity is thermally affected by changes in temperature storage before exposure and increasing temperature can result in a shifting of sensitivity from the interior to the surface of the grains.

Om dit artikel te citeren:

Yvon RENOTTE, «INFLUENCE D'UN TRAITEMENT THERMIQUE SUR LA SENSIBILITÉ D'ÉMULSIONS AgBr PRIMITIVES», Bulletin de la Société Royale des Sciences de Liège [En ligne], Volume 51 - Année 1982, Numéro 5 - 8, 211 - 237 URL : http://popups.ulg.be/0037-9565/index.php?id=1374.

Over : Yvon RENOTTE

Université de Liège, Laboratoire de Physique générale, Sart Tilman, B-4000 Liège, Belgique.