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Table 1 Recoveries (%) of PCNB and HCB from spiked soil calculated by HPLC

From: Development of an HPLC method for determination of pentachloronitrobenzene, hexachlorobenzene and their possible metabolites

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