GC-MS Determination of Flumiclorac-pentyl Residues in Import and Export Foods

doi:10.7506/spkx1002-6300-200920062

FOOD SCIENCE ›› 2009, Vol. 30 ›› Issue (20 ): 288-290.doi: 10.7506/spkx1002-6300-200920062

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GC-MS Determination of Flumiclorac-pentyl Residues in Import and Export Foods

GAO Wen-hui1，GUO Chun-hai2

1. College of Biological Science and Engineering, Hebei University of Science and Technology, Shijiazhuang 050018, China；
2. Hebei Entry and Exit Inspection and Quarantine Bureau, Shijiazhuang 050071, China

Received:2009-06-20 Online:2009-10-15 Published:2010-12-29
Contact: GAO Wen-hui

Abstract

Abstract:

A GC-MS method, based on a sequential procedure of extraction of flumiclorac-pentyl residues in samples with ethyl acetate, clean-up by gel permeation chromatography (GPC), GC-MS analysis and quantitative determination by external standard method, was presented for the determination of flumiclorac-pentyl residues in import and export foods. The analytical method revealed a quantification limit of 5 μg/kg and a linear range of 0.05－ 1 μg/ml with the linear correlation coefficient of 0.9983. The average spike recoveries at two levels of 5.0 and 50μg/g were in the range of 70.35%－95.24%, with a relative standard deviation (RSD) of 3.22%－6.69%. This method can meet the requirements of Japanese Positive List System qualification due to its excellent figures of merit.

Key words: flumiclorac-pentyl, residue, gel permeation chromatography, GC-MS

CLC Number:

TS207.5

GAO Wen-hui1，GUO Chun-hai2. GC-MS Determination of Flumiclorac-pentyl Residues in Import and Export Foods[J]. FOOD SCIENCE, 2009, 30(20 ): 288-290.

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GC-MS Determination of Flumiclorac-pentyl Residues in Import and Export Foods

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