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2 132 050

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IPC

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Application

97106044/25, 1997-04-15

(22)

Actual filing date

1997-04-15

(45)

Published

1999-06-20

(72)

Inventor

Mochalov Ju.S.Elizarova O.R.Matjukha V.A.Popova O.A.Smagin A.A.

(73)

Holder

Sibirskij Khimicheskij Kombinat

METHOD OF DETERMINING SELENIUM HEXAFLUORIDE IN AIR Russian patent published in 1999 - IPC

Abstract RU 2132050 C1

FIELD: analytical methods. SUBSTANCE: selenium hexafluoride pollution control in production rooms is accomplished by preparing selenium compound through absorption of selenium hexafluoride from air by n-butyl alcohol saturated with potassium iodide followed by reextraction of selenium compound with water or 5% sodium chloride aqueous solution and photometric determination of selenium. EFFECT: simplified and accelerated analytical procedure.

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RU 2 132 050 C1

Authors

Mochalov Ju.S.

Elizarova O.R.

Matjukha V.A.

Popova O.A.

Smagin A.A.

Dates

1999-06-20—Published

1997-04-15—Filed

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