Table 2.

Data gathered from the equations of the calibration curves.

Analyte	Calibration Curve Equation (6 Points, n = 3)	Sa	Sb	LOD [ng/g]	LOQ [ng/g]	R2
NNK	y = 0.01211x + 0.0045	0.00029	0.0031	0.9	2.6	0.9931
NNN	y = 0.08552x − 0.0014	0.00070	0.0075	0.3	0.9	0.9992
NAT	y = 0.05133x − 0.0016	0.00041	0.0044	0.3	0.9	0.9992
NAB	y = 0.05865x + 0.00022	0.00073	0.00791	0.4	1.3	0.9981