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To obtain the residual organoehlorine pesticides in the culture environment or ginseng on Sangju, Gyeongbuk, the analytical methods for BHC isomers, Aldrin, DDE, Dieldrin, DDD, Endrin and DDT by GC-ECD are surveyed. The relative retention times for α-BHC, β-BHC, γ-BHC, δ-BHC, Aldrin, DDE. Dieldrin, DDD, Endrin and DDT were 1.000, 1.042, 1.049, 1.086, 1.202, 1.335, 1.341, 1.371, 1.391 and 1.439, respectively. The BHC isomers, Aldrin, DDE, Dieldrin, DDD, Endrin and DDT were separated on the base line. The qualified detection concentration for α-BHC, β-BHC, γ-BHC and δ-BHC is 0.43, 1.33, 0.54 and 1.63ng/g and it's or Aldrin, DDE, Dieldrin, DDD, Endrin and DDT were 0.63, 0.50, 0.66, 0.74, 0.96 and 0.88 ng/g, respectively. BHC isomers, Aldrin, DDE, Dieldrin, DDD. Endrin and DDT were not detected in culture environment or ginseng on Sangju, Gyeongbuk. The detection concentration for Hg, Cd, Pb, Cr, and As in ginseng were 0.0086 ppm, 0.0020 ppm, 0.0200 ppm, 0.0271 ppm and 0.0220 ppm, respectively, which were also lower than the 30 ppm Korea Food & Drug Administration advisory level for heavy metal in herbal medicines. |
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