Table 1. Quantitative features of the proposed method for the selected analytes .

Analyte	LOD a	LOQ b	LR c	r 2 d	RSD % e
					Intra-day	Inter-day
VPA	0.057	0.20	0.20 – 100	0.998	8	9
3-Heptanone	0.010	0.040	0.04 – 100	0.997	5	5

^aLimit of detection (S/N=3) (mg L^–1).

^bLimit of quantification (S/N=10) (mg L^–1).

^cLinear range (mg L^–1).

^dCoefficient of determination

^eRelative standard deviation (n=6, C= 2 mg L^–1 of each analyte) for intra–day and (n=4, C= 2 mg L^–1of each analyte) for inter-day precisions.