Spiked amount | Amount detected ± SD | Mean % recovered | %RSD | % bias |
50 ng (50%) | 149.265 ± 0.683 | 99.51 | 1.50 | 0.49 |
100 ng (100%) | 199.880 ± 1.109 | 99.94 | 1.60 | 0.06 |
150 ng (150%) | 249.600 ± 0.556 | 99.84 | 1.55 | 0.16 |