Determination of Hexaconazole in Fruits and Vegetables by Gas Chramtography Tandem Mass Spectrometry

Abstract

Abstract: A gas chromatography-tandem mass spectrometric (GC-MS/MS) method was established for the determination of hexaconazole in fruits and vegetables. Samples were extracted with acetonitrile, and cleaned up on a GCB/NH2 SPE column using a mixture of petroleum ether and acetone at ratio of 15:85 (V/V). The chromatographic separation was carried out on a DB-5 ms column. The limit of detection for hexaconazole was 0.02 mg/kg. The precision RSDs and spike recoveries of the method were separately 3.03%－9.34% and 92.24%－106.13%. The method was highly linear, repeatable and accurate and thus could offer a suitable method for the accurate determination of hexaconazole residue in fruits and vegetables.

Key words: gas chromatography-tandem mass spectrometry, fruits and vegetables, hexaconazole

CLC Number:

TS272.7

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Determination of Hexaconazole in Fruits and Vegetables by Gas Chramtography Tandem Mass Spectrometry

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