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2 105 972

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IPC

(21) (22)

Application

95113576/25, 1995-08-09

(22)

Actual filing date

1995-08-09

(45)

Published

1998-02-27

(72)

Inventor

Zhejvot V.I.Zolotovskij B.P.Klimova O.P.

(73)

Holder

Institut Kataliza Im.G.K.Boreskova So Ran

METHOD FOR REVEALING LIGHT HYDROCARBON TRACES Russian patent published in 1998 - IPC

Abstract RU 2105972 C1

FIELD: chromatographic analysis. SUBSTANCE: light hydrocarbons in concentrations 0.1 ppm and below are revealed by way of separating traces of these substances from matrix substances, accumulating them on adsorbent, and subjecting them to gas- chromatographic analysis. Adsorbent employs microporous substances, in particular, carbon molecular sieves or carbon fibers with micropore volume 0.30-0.45 cm/g, or mixture of carbon fibers and pseudoboehmite at ratio 9:1. EFFECT: improved accuracy of analysis. 2 cl, 2 dwg, 4 tbl

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RU 2 105 972 C1

Authors

Zhejvot V.I.

Zolotovskij B.P.

Klimova O.P.

Dates

1998-02-27—Published

1995-08-09—Filed

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