Table 2 VA-SS-DLLME-HPLC-DAD method figures of merit
Parameters | KET | NAP |
|---|---|---|
Linear range (µg L−1) | 0.57–700 | 0.80–700 |
R2 | 0.9989 | 0.9966 |
LOD (µg L−1) | 0.17 | 0.24 |
LOQ (µg L−1) | 0.58 | 0.81 |
Intraday (% RSD, n = 8) | ||
50 µg L−1 | 8.98 | 7.38 |
250 µg L−1 | 3.10 | 3.33 |
550 µg L−1 | 3.50 | 4.08 |
Interday(% RSD, n = 4 days) | 8.64 | 7.30 |
EF | 46 | 41 |
% ER | 97.8 ± 2 | 102.3 ± 2 |