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2 065 403

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C1

(51)

IPC

(21) (22)

Application

5056073/26, 1992-07-23

(22)

Actual filing date

1992-07-23

(45)

Published

1996-08-20

(72)

Inventor

Kozlov A.N.Mashirev V.P.Shatalov V.V.

(73)

Holder

Vserossijskij Nauchno-Issledovatel'Skij Institut Khimicheskoj Tekhnologii

METHOD FOR PRODUCTION OF ANHYDROUS TRIFLUORIDE OF FERRUM Russian patent published in 1996 - IPC

Abstract RU 2065403 C1

FIELD: chemical technology. SUBSTANCE: ferrum hydroxide is affected by drying at 60-250 C. The process is followed by treatment with hydrogen fluoride within at least 2 h. This process takes place by heating from 120 to 500 C. EFFECT: improves quality of desired product, decreases its cost. 3 cl

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RU 2 065 403 C1

Authors

Kozlov A.N.

Mashirev V.P.

Shatalov V.V.

Dates

1996-08-20—Published

1992-07-23—Filed

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