Table 2.

Comparison between calibration functions, determination coefficients, LODs, LOQs and lineal dynamic ranges for the FLD and the MS detectors.

Analyte	Detector	External Calibration Curve	R2	LOD (μg·mL−1)	LOQ (μg·mL−1)	Linear Range (μg·mL−1) a
Gal	FLD	y = 0.127x + 0.1263	0.9987	0.625	2.083	250
	MS	y = 40519x + 37647	0.9965	0.051	0.171	100
HTY	FLD	y = 10.226x + 2.1124	0.9989	0.035	0.115	20
	MS	y = 52263x + 55720	0.9945	0.017	0.057	50
TY	FLD	y = 6.239x + 3.3395	0.9993	0.009	0.029	100
	MS	y = 20379x + 17714	0.9924	0.058	0.195	50
4-HBA	FLD	y = 0.880x + 2.804	0.9954	0.036	0.121	250
	MS	y = 16457x + 49330	0.9911	0.061	0.204	150
4-HPA	FLD	y = 2.012x + 2.6778	0.9982	0.357	1.190	250
	MS	y = 13242x − 2729.7	0.9938	0.122	0.407	150
Van	FLD	y = 14.276x − 0.4684	0.9989	0.004	0.013	20
	MS	y = 16919x + 11618	0.9956	0.025	0.084	10
Syr	FLD	y = 6.770x + 8.7496	0.9861	0.007	0.023	50
	MS	y = 27088x + 14618	0.9928	0.025	0.083	10
Hmvan	FLD	y = 1.244x + 0.4454	0.9981	0.556	1.852	250
	MS	y = 31576x − 42195	0.9983	0.155	0.515	50
p-Cou	FLD	y = 0.272x + 1.036	0.9932	0.031	0.103	250
	MS	y = 40281x + 21180	0.9941	0.018	0.059	20
Val	FLD	y = 0.299x + 0.631	0.9974	0.090	0.301	250
	MS	y = 12440x + 7246.2	0.9927	0.055	0.182	10
Sin	FLD	y = 0.618x + 0.8065	0.9986	0.039	0.132	250
	MS	y = 58259x + 28312	0.9939	0.021	0.069	10
Fer	FLD	y = 1.287x + 3.1028	0.9965	0.021	0.069	250
	MS	y = 39342x + 13674	0.9949	0.022	0.073	10
m-Cou	FLD	y = 0.083x + 0.122	0.9995	0.306	1.020	250
	MS	y = 58990x + 130287	0.9934	0.013	0.043	100
Ole	FLD	y = 1.246x + 0.1575	0.9998	0.273	0.909	250
	MS	y = 6709x + 86	0.9990	0.050	0.165	20
o-Cou	FLD	y = 1.170x + 3.713	0.9954	0.022	0.072	250
	MS	y = 33291x + 12614	0.9946	0.077	0.255	100
Lut	FLD	y = 0.009x + 0.0064	0.9984	7.143	23.810	250
	MS	y = 201100x + 44947	0.9994	0.005	0.016	10
Pin	FLD	y = 40.452x + 7.795	0.9991	0.005	0.016	10
	MS	y = 34634x + 63107	0.9912	0.032	0.108	50

^a Linear ranges were established from LOQ to the indicated value.