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2 213 959

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Application

2001101405/28, 2001-01-15

(24)

Start date

2001-01-15

(22)

Actual filing date

2001-01-15

(45)

Published

2003-10-10

(72)

Inventor

Alimov N.I.Shantrokha A.V.Lapko E.Ju.Mitrofanov D.A.Gribova E.D.

(73)

Holder

Vojskovaja Chast' Mo Rf

METHOD FOR QUANTITATIVELY DETERMINING METHYLPHOSPHONIC ACID O-C3-C6-ALKYL ESTERS IN WATER MATRICES USING REACTION GAS CHROMATOGRAPHY TECHNIQUE INVOLVING ATOM-EMISSION DETECTION Russian patent published in 2003 - IPC

Abstract RU 2213959 C2

FIELD: analytical methods. SUBSTANCE: invention can be useful in military and industrial indication systems, as assistance means when performing destruction of organophosphorus substances, in environmental monitoring, and in quantitative chemical analysis. Substances to be analyzed are modified by alkylation with dimethyl sulfate in presence of N,N,N-tributyl-N-benzylammonium chloride under heterophase conditions: 40% aqueous sodium hydroxide solution/benzene at volume ratio 10:1 at temperature 70 +/- 5 C and reaction time 35 +/- 1 min. Alkylation results in derivatives, which can be analyzed by means of gas chromatography with atom-emission detection and registered with sensitivity 2•10-8 mg/ml. EFFECT: increased sensitivity and selectivity of analysis. 3 dwg, 2 tbl

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RU 2 213 959 C2

Authors

Alimov N.I.

Shantrokha A.V.

Lapko E.Ju.

Mitrofanov D.A.

Gribova E.D.

Dates

2003-10-10—Published

2001-01-15—Filed

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