ORGANOPHOSPHORUS SUBSTANCE DETERMINATION METHOD Russian patent published in 2007 - IPC G01N30/72

Abstract RU 2313086 C2

FIELD: analytical methods.

SUBSTANCE: method comprises preparing solutions of reference substances, namely mixture of trimethyl phosphate, dimethyl(ethyl) phosphate, dimethyl(isopropyl) phosphate, dimethyl(butyl) phosphate, and triethyl phosphate in dichloromethane at ratio 0.2:0.015:0.05:0.005:1, to provide calibrated dependence for detector. Separation of test composition is performed in chromatographic capillary column provided with selective detector. Concentration of organophosphorus substances is determined according to calibrated dependence and most intensive ion in mass spectrum of above-listed phosphates.

EFFECT: facilitated analytical procedure.

2 cl, 4 tbl

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RU 2 313 086 C2

Authors

Novikov Sergej Vasil'Evich

Kozlov Oleg Vladimirovich

Dates

2007-12-20—Published

2006-02-07—Filed