Correlation coefficient (R2)a 0.997
LOD (ng/mL) 0.0012
LOQ (ng/mL) 0.004
Recoveryb 95 ± 3%
Accuracyb 98 ± 5%
Precision (%RSD)b 3.8± 1.2%
aThe linearity was verified over the concentration range 0.100-200 ng/mL.
bWater samples spiked at three different BPA concentration were analyzed in triplicate.
Table 1: Method validation parameters.