Table 1 Recoveries (%) of PCNB and HCB from spiked soil calculated by HPLC
Spiked concentration of PCNB (gm kg-1) | Concentration (Mean ± SD) (gm kg-1) | RSD (%) | Recovery (%) | Spiked concentration of HCB (gm kg-1) | Concentration (Mean ± SD) (gm kg-1) | RSD (%) | Recovery (%) |
|---|---|---|---|---|---|---|---|
0.05 | 0.0489 ± 0.0016 | 3.21 | 97.80 | 0.05 | 0.0488 ± 0.0023 | 1.45 | 97.60 |
0.1 | 0.0979 ± 0.0025 | 2.84 | 97.79 | 0.1 | 0.0978 ± 0.0025 | 1.78 | 97.80 |
0.2 | 0.1968 ± 0.0016 | 4.12 | 98.40 | 0.2 | 0.1957 ± 0.0028 | 2.10 | 97.85 |
0.3 | 0.2976 ± 0.0018 | 1.83 | 99.20 | 0.3 | 0.2949 ± 0.0053 | 2.91 | 98.30 |
0.4 | 0.3938 ± 0.0013 | 2.13 | 98.45 | 0.4 | 0.3937 ± 0.0019 | 2.24 | 98.42 |