Determination of Organophosphorous Pesticide Residues by Matrix Solid-phase Dispersion-Gas Chromatography

doi:10.7506/spkx1002-6630-201018052

FOOD SCIENCE ›› 2010, Vol. 31 ›› Issue (18): 227-231.doi: 10.7506/spkx1002-6630-201018052

• Analysis & Detection • Previous Articles Next Articles

Determination of Organophosphorous Pesticide Residues by Matrix Solid-phase Dispersion-Gas Chromatography

XUE Ping1，SHI Hui-juan2，DU Li-jun1，LIN Qin-bao2,*

1. Shanxi Extry-Exit Inspection and Quarantine Bureau, Taiyuan 030024, China；
2. Institute of Applied Chemistry, Shanxi University, Taiyuan 030006, China

Received:2010-05-18 Revised:2010-07-21 Online:2010-09-25 Published:2010-12-29
Contact: LIN Qin-bao2,* E-mail:qblin@sxu.edu.cn

Abstract

Abstract:

Matrix solid-phase dispersion technique was used to extract and purify nineteen kinds of organophosphorous pesticide residues from five matrixes such as cabbage, pear, chicken, corn and purple broccoli. The contents of organophoshorous pesticide residues were determined by gas chromatography with a flame photometric detector (FPD). Through the optimization of absorbent, eluent and elution volume, a preparation method for determining organophosphorous pesticide residues was established. The recovery rates of monocrophos, cyanophos, isocarvophos, cadusafos and triazophos in spiked samples at concentrations of 0.02 mg/kg and 0.05 mg/kg, were between 75.0% and 109.2% with a relative standard deviation (RSD) of lower than 16%. Therefore, this method is suitable for pesticide residue analysis.

Key words: matrix solid-phase dispersion (MSPD), organophosphorous pesticide, gas chromatography (GC)

CLC Number:

TS207.53

XUE Ping1，SHI Hui-juan2，DU Li-jun1，LIN Qin-bao2,*. Determination of Organophosphorous Pesticide Residues by Matrix Solid-phase Dispersion-Gas Chromatography[J]. FOOD SCIENCE, 2010, 31(18): 227-231.

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Determination of Organophosphorous Pesticide Residues by Matrix Solid-phase Dispersion-Gas Chromatography

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