Citation:
YAO Jia-Biao, ZHAO Ying, PAN Wei, JIANG Shi, ZHONG Yu, JIN Yan. Determination of Carbamate Pesticide Residues in Vegetables and Mushrooms[J]. Chinese Journal of Applied Chemistry,
;2010, 27(4): 488-493.
doi:
10.3724/SP.J.1095.2010.90362
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A method was developed for the simultaneous determination of 19 carbamate pesticides residues in spinach, cucumber, scallion, fungus, mushroom, agaric and carrot by ultra performance liquid chromatography tandem mass spectrometry(UPLCMS/MS) combined with isotope internal standard method. The vegetable and mushroom samples were extracted with V(acetone):V(acetonitrile)=85:15 then purified by gel permeation chromatography(GPC) or solid phase extraction(SPE). The recoveries ranged from 70.1% to 95.7% with the cleaning method of GPC and from 70.2% to 94.9% with the cleaning method of primary-secondary amine(PSA) SPE. The limits of detection(LOD) were 1×10-5g/kg. The method showed a good linear relationship with the correlation coefficients over 0.99. This method is practical,accurate and highly sensitive.
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Keywords:
- GPC,
- PSA,
- UPLC-MS/MS,
- carbamate
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