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Investigation of some factors affecting size and shape distribution of silver halide microcrystals in photographic emulsion

T.I.Abdullin, V.P.Andrianov, Yu.V.Badeev, Yu.A.Breslav, E.M.Giljazetdinov, A.N.Golubev, B.G.Hayatov, S.A.Koshkin, I.E.Mumdji, S.I.Nikitin, Yu.G.Shtyrlin, Yu.A.Zakharov

Influence ofdifferentmixingdevices and surfactant Laprol 3603-2-12 on the formation of tabular silver halidemicrocrystals inthe photographic emulsion has been investigated using scanning electronmicroscopy. Values of theLaprol concentrations forhomogeneityincreasing,obtainingofbimodalemulsion and for transformation crystals fromtabular to octahedralonehavebeenestimaited.Our experiments have shown that the Laprol is a powerful factor to control size distribution and the shape of the silver halidemicrocrystals in the gelatin solution.