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2003•Journal of Qingdao University of Science and TechnologyRequires access

Study on Quick Detecting Pesticides Multi-residue in Vegetables and Fruits by GC-MS

Yongbo Liu

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Abstract

A method for detectimg 48 pesticide residues in fruits and vegetables was studied. The detection was performed by SIM-GC-MS technique. Pesticides were positively confirmed by retention times and ion ratios.This method can be used to detect 48 pesticides including organophosphorus,organochlorines, pyrethroids and carbamates in farm products such as fruits and vegetables. The limit of detection ranges from 2.0×10 -10 -2.0×10 -7 (μg·g -1 ) depending on the different pesticides.

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What this paper is about

A method for detectimg 48 pesticide residues in fruits and vegetables was studied. The detection was performed by SIM-GC-MS technique. Pesticides were positively confirmed by retention times and ion ratios.This method can be used to detect 48 pesticides including organophosphorus,organochlorines, pyrethroids and carbamates in farm products such as fruits and vegetables. The limit of detection ranges from 2.0×10 -10 -2.0×10 -7 (μg·g -1 ) depending on the different pesticides.

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Available abstract

A method for detectimg 48 pesticide residues in fruits and vegetables was studied. The detection was performed by SIM-GC-MS technique. Pesticides were positively confirmed by retention times and ion ratios.This method can be used to detect 48 pesticides including organophosphorus,organochlorines, pyrethroids and carbamates in farm products such as fruits and vegetables. The limit of detection ranges from 2.0×10 -10 -2.0×10 -7 (μg·g -1 ) depending on the different pesticides.

Key concepts: Pesticide, Pesticide residue, Detection limit, Gas chromatography–mass spectrometry, Residue (chemistry), Chemistry, Chromatography, Toxicology

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