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2 188 158

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IPC

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Application

2001128680/12, 2001-10-24

(24)

Start date

2001-10-24

(22)

Actual filing date

2001-10-24

(45)

Published

2002-08-27

(72)

Inventor

Poljakov L.A.Tatarinov A.N.Monastyrev Ju.A.Izovskaja L.N.Kiseleva T.G.Vilkaj E.A.

(73)

Holder

Federal'Noe Gosudarstvennoe Unitarnoe Predprijatie-Kombinat

METHOD OF PREPARING ANHYDROUS CADMIUM CHLORIDE Russian patent published in 2002 - IPC

Abstract RU 2188158 C1

FIELD: inorganic compounds technology. SUBSTANCE: anhydrous cadmium acetate is dissolved in dry acetic acid. Resulting solution is heated and hydrogen chloride gas is passed through it to reduce pH below 1. Hydrogen chloride excess is removed by heating solution with precipitate to attain pH 3. Precipitate is separated, washed with dry acetic acid, and dried at 100-120 C. EFFECT: minimized losses and improved environment condition. 2 cl, 5 ex

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RU 2 188 158 C1

Authors

Poljakov L.A.

Tatarinov A.N.

Monastyrev Ju.A.

Izovskaja L.N.

Kiseleva T.G.

Vilkaj E.A.

Dates

2002-08-27—Published

2001-10-24—Filed