NDLI: Determination of Organophosphorus Pesticides in Soybean Oil, Peanut Oil and Sesame Oil by Low-Temperature Extraction and GC-FPD

Content Provider	Springer Nature Link
Author	Li, Li Zhou, Zhiqiang Pan, Canping Qian, Chuanfan Jiang, Shuren Liu, Fengmao
Copyright Year	2007
Abstract	A low-temperature clean-up method for residue determination was developed and validated for 14 organophosphorus pesticides in soybean oil, peanut oil and sesame oil by gas chromatography with flame photometric detector (GC-FPD). A different matrix influenced the response and retention time of pesticides. Hence matrix-matched calibration standards were used to counteract the matrix effect. The pesticide responses in blank samples of soybean oil, peanut oil and sesame oil were within the linear range of 0.02–1 mg kg−1 and the correlation coefficients were higher than 0.9989. Average recoveries obtained from different oil samples at three fortified levels were higher than 50% with relative standard deviations (RSDs) of less than 15%. The limit of detections (LODs) of studied pesticides ranged from 2 to 5 μg kg−1. Thirty-nine commercial samples were analyzed, and the results were confirmed by gas chromatography–mass spectrometry (GC–MS) in selective ion monitoring (SIM) mode.
Starting Page	625
Ending Page	629
Page Count	5
File Format	PDF
ISSN	00095893
Journal	Chromatographia
Volume Number	66
Issue Number	7-8
e-ISSN	16121112
Language	English
Publisher	Vieweg Verlag
Publisher Date	2007-08-07
Publisher Place	Wiesbaden
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Gas chromatography Organophosphorus pesticides Matrix effect Vegetable oils Measurement Science, Instrumentation Plant Sciences Biochemistry Pharmacy Organic Chemistry Analytical Chemistry
Content Type	Text
Resource Type	Article
Subject	Organic Chemistry Analytical Chemistry Biochemistry Clinical Biochemistry

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