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- W2368832078 abstract "[Objective] The purpose was to study the analysis methods of Chloropicrin residue in soil and its digestion dynamics in soil and the final residue.[Method] Chloropicrin residues in soil were detected with gas chromatography.The sample were extracted with petroleum ether for ultrasonic extraction,separated with capillary column chromatography and determined with electron capture detector.The recovery test by adding 3 kinds of concn.was carried out and the actual samples were also detected.[Result] The minimum detection limit(LOD) of Chloropicrin was 0.008 mg/kg,the minimum detectable concentration in soil(LOQ) was 0.020 mg/kg,the recovery rate was 89.5%-111.1%,and coefficient of variation was 3.6%-7.2%,which were all in the allowed range of pesticide residue determination.At the same time,in 0.008-2.000 mg/L concn.range,there was a good linear relationship between the peak area value and the concentration of chloropicrin and the wide linear range was suitable for determination on Chloropicrin at different level in soil.Chloropicrin digested soon and its half-life in soil was 5.5 d.[Conclusion] This analysis method had characters of simple operation,rapid in velocity and accurate in quantification,which could be effective to measure the content of Chloropicrin in soil." @default.
- W2368832078 created "2016-06-24" @default.
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- W2368832078 date "2009-01-01" @default.
- W2368832078 modified "2023-09-23" @default.
- W2368832078 title "Study on Degradation Dynamics and Residues Detection of Chloropicrin in Soil" @default.
- W2368832078 hasPublicationYear "2009" @default.
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