Research Article
Transfer of Organochlorine Pesticide Residues during Household and Industrial Processing of Ginseng
Table 2
Results of the method validation study, including retention time, correlation coefficients, LOQs, and recoveries.
| | Pesticide | RT (min) | Correlation coefficients (r2) | Liquid sample (μg/L) | Solid sample (mg/kg) | Recovery and precision (n = 3)
Average (%) ± SD | | LOQ (S/N = 10) | LOD (S/N = 3) | LOQ (S/N = 10) | LOD (S/N = 3) | Liquid sample | Solid sample |
| | Hexachlorobenzene (HCB) | 4.83 | 1 | 0.05 | 0.02 | 0.002 | 0.0006 | 70.3 ± 2.7 | 83.4 ± 10.7 | | α-BHC | 5.34 | 0.9999 | 0.02 | 0.01 | 0.002 | 0.0006 | 85.6 ± 5.3 | 91.9 ± 10.9 | | Pentachloronitrobenzene (PCNB) | 5.54 | 0.9998 | 0.08 | 0.02 | 0.004 | 0.0012 | 79.4 ± 5.7 | 97.1 ± 14.9 | | γ-BHC | 5.90 | 0.9999 | 0.02 | 0.01 | 0.001 | 0.0003 | 71.5 ± 4.0 | 106.9 ± 11.6 | | δ-BHC | 7.34 | 0.9999 | 0.12 | 0.04 | 0.002 | 0.0006 | 82.1 ± 6.0 | 83.9 ± 4.7 |
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