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《Chinese Journal of Pesticide Science》 2008-04
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Determination of the Residue of Chloropicrin in Vegetables and Fruits by Gas Chromatography

WANG Wen-bo, WANG Yu-tao, CHEN Zi-lei, WU Yuan-juan, LI Hui-dong, WANG Feng-en(Central Laboratory Shandong Academy of Agricultural Sciences,Jinan 250100,China)  
The soil fumigant chloropicrin is effective on the prevention and control soil disease. Chloropicrin in vegetables and fruits was determined by gas chromatography with ECD after extracted with petroleum ether under ultrasonic. The correlation coefficient in the concentration rang at 0.008~2 mg/L was 0.999 4.The average recoveries of chloropicrin in vegetables and fruits at 0.02~1 mg/kg fortification level were 92.2%~111%,with relative standard deviations(RSD) of 1.9%~7.2%.The limit of detection (LOD) was 0.008 mg/kg,and the limit of quantitation(LOQ) was below 0.02 mg/kg.The final residue of chloropicrin after pre-harvest interval (PHI) in muskmelon, strawberry, ginger, eggplant and spanich, which was treated by soil fumigation, was non-detectable.
【Fund】: 山东省农业科学院青年科研基金(2005YQ030)资助
【CateGory Index】: TS255.7
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