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2 080 642

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C1

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IPC

(21) (22)

Application

95103302/04, 1995-03-06

(22)

Actual filing date

1995-03-06

(45)

Published

1997-05-27

(72)

Inventor

Rjabova M.I.Sechkarev B.A.Sotnikova L.V.

(73)

Holder

Kemerovskij Gosudarstvennyj Universitet

METHOD OF PREPARING SILVER-HALIDE PHOTOGRAPHIC EMULSION Russian patent published in 1997 - IPC

Abstract RU 2080642 C1

FIELD: photographic industry. SUBSTANCE: when synthesizing emulsion by way of introducing silver nitrate and potassium chloride solutions into water-gelatin solution, synthesis is carried out at pAg 6.8-8.2 and temperature 45-60 C followed by physical ripening of emulsion for further 1.5-2.5 h at synthesis temperature. EFFECT: increased homogeneity of silver chloride monocrystals in respect to size and halide makeup.

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RU 2 080 642 C1

Authors

Rjabova M.I.

Sechkarev B.A.

Sotnikova L.V.

Dates

1997-05-27—Published

1995-03-06—Filed

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