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2 043 625

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Application

93008902/04, 1993-02-16

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Actual filing date

1993-02-16

(45)

Published

1995-09-10

(72)

Inventor

Torgov V.G.Drozdova M.K.Larionova Z.A.Korenman Ja.I.Kalinkina S.P.Sukhanov P.T.Podolina E.A.Strashilina N.Ju.

(73)

Holder

Institut Neorganicheskoj Khimii So RanVoronezhskij Tekhnologicheskij Institut

PROCESS OF EXTRACTION CONCENTRATION OF NAPHTOSULFOACIDS Russian patent published in 1995 - IPC

Abstract RU 2043625 C1

FIELD: analytical chemistry. SUBSTANCE: concentration is performed with solutions of trioctylaminoxide in toluene from aqueous solution which is injected with ammonium sulfate in the amount of 0.05-0.5 mole/1 as salting-out agent. EFFECT: expanded application field. 1 tbl

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RU 2 043 625 C1

Authors

Torgov V.G.

Drozdova M.K.

Larionova Z.A.

Korenman Ja.I.

Kalinkina S.P.

Sukhanov P.T.

Podolina E.A.

Strashilina N.Ju.

Dates

1995-09-10—Published

1993-02-16—Filed

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