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2 111 034

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Application

92002231/02, 1992-10-27

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Actual filing date

1992-10-27

(45)

Published

1998-05-20

(72)

Inventor

Zorin A.D.Zanozina V.F.Sidnev V.Sh.Emel'Janova O.A.Markova M.L.Gajazova I.N.Feshchenko I.A.Tsinovoj Ju.N.

(73)

Holder

Nauchno-Issledovatel'Skij Institut Khimii Pri Nizhegorodskom Gosudarstvennom Universitete Im.N.I.Lobachevskogo

METHOD OF LEWISITE PURIFICATION Russian patent published in 1998 - IPC

Abstract RU 2111034 C1

FIELD: chemical technology. SUBSTANCE: invention relates to lewisite purification from metal-containing impurities. Method involves extraction of lewisite with 15-37% hydrochloric acid solution at 20-50 C for 20-30 min. EFFECT: improved method of purification. 2 tbl

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RU 2 111 034 C1

Authors

Zorin A.D.

Zanozina V.F.

Sidnev V.Sh.

Emel'Janova O.A.

Markova M.L.

Gajazova I.N.

Feshchenko I.A.

Tsinovoj Ju.N.

Dates

1998-05-20—Published

1992-10-27—Filed

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