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2 214 860

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Application

2002125176/12, 2002-09-19

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Start date

2002-09-19

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Actual filing date

2002-09-19

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Published

2003-10-27

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Inventor

Zakharov V.Ju.Dedov A.S.Churkin V.A.Abramov O.B.Khakhulina L.A.Terent'Eva I.A.

(73)

Holder

Otkrytoe Aktsionernoe Obshchestvo Khimicheskij Kombinat Im. B.P. Konstantinova"

GAS-CHROMATOGRAPHIC METHOD FOR DETERMINING COMPOSITION OF MIXTURES CONTAINING ORGANOCHLORINE COMPOUNDS Russian patent published in 2003 - IPC

Abstract RU 2214860 C1

FIELD: analytical methods. SUBSTANCE: process and product quality control in production of chloral is accomplished as follows: sample to be analyzed is passed in gas carrier flow through chromatographic column filled with Polysorb-1 modified with polymethylsiloxane liquid used in amount 1.3-1.5 mg per 1 sq.m of Polysorb surface. For analysis, industrial-grade chloral or chloral rectification fractions are taken, whereas impurities are registered with the aid of heat-conductance detector. Water, ethanol, and dichloroacetal are simultaneously determined in mixtures also containing acetaldehyde and organochlorine compounds. EFFECT: expanded analytical possibilities. 3 cl, 3 tbl

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RU 2 214 860 C1

Authors

Zakharov V.Ju.

Dedov A.S.

Churkin V.A.

Abramov O.B.

Khakhulina L.A.

Terent'Eva I.A.

Dates

2003-10-27—Published

2002-09-19—Filed

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