Issue 1209, 1976

Determination of residues of oxamyl in crops and soils by gas-liquid chromatography

Abstract

A method is described for the determination of oxamyl residues in crops and soils by gas-liquid chromatography. Oxamyl is extracted with dichloromethane or acetone -dichloromethane and is separated from interfering co-extractives by chromatography on a Florisil column. It is then determined by gas-liquid chromatography using on-column reaction with trimethylphenylammonium hydroxide, the derivative so formed being determined by a flame-photometric detector operated in the sulphur mode. Approximately 0.5 µg of oxamyl can be detected in a 50-g sample.

Article information

Article type
Paper

Analyst, 1976,101, 982-985

Determination of residues of oxamyl in crops and soils by gas-liquid chromatography

R. H. Bromilow, Analyst, 1976, 101, 982 DOI: 10.1039/AN9760100982

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