a b R2

Calibration curve 1

12.512 -0.8041 0.9999
Calibration curve 2 12.695 -2.4975 0.9999
Calibration curve 3 12.652 1.7518 0.9999
Calibration curve C 12.617 -0.4419 0.9998
Table 2: Statistical linearity parameters of LC method.