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- W2374031736 abstract "An effective and simple method for simultaneous determination of pentachloronitrobenzene(PCNB)residue and its metabolites pentachloroaniline(PCA), pentachlorothioanisole(PCTA)in ginseng was developed based on matrix solid-phase dispersion and gas chro- matography. Dry ground ginseng samples and florisil sorben(t1∶2)were homogenized in a mortar for 5 min and then packed into a 10 mL of glass syringe. Eluted with hexane/acetone=5∶5(V/V)solution, pentachloronitrobenzene and its metabolites were simultaneously extracted and cleaned up. The qualitative and the quantitative analysis of samples was accomplished using gas chromatography with ECD(electronic cap- ture detector). The average recovery and relative standard deviation of PCNB, PCA and PCTA in ginseng at the spiked levels of 0.01, 0.05 and 0.1 mg·kg-1 was within 89.41%～104.42% and 3.73%～7.43% respectively. The limits of detection(LOD)of the method were 1.88, 1.50, 1.25 μg·kg-1 for PCNB, PCA and PCTA respectively. The proposed method was successfully applied to the determination of PCNB and its metabolites PCA and PCTA in ginseng with satisfactory results." @default.
- W2374031736 created "2016-06-24" @default.
- W2374031736 creator A5016250292 @default.
- W2374031736 date "2009-01-01" @default.
- W2374031736 modified "2023-09-23" @default.
- W2374031736 title "Simultaneous Determination of Pentachloronitrobenzene Residue and Its Metabolites Pentachloroaniline and Pentachlorothioanisole in Ginseng Based on Matrix Solid Phase Dispersion and Gas Chromatography" @default.
- W2374031736 hasPublicationYear "2009" @default.
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