表3.

7种苯系物代谢物的回归方程、相关系数、线性范围、方法检出限和定量限

Analyte	Regression equation	r2	Calibration range/(μg/L)		MDL/(μg/L)	LOQ/(μg/L)	C(IS)/(μg/L)
MU	Y=5.8×10-2X+4.5×10-2	0.998	5-	1000	1.5	5	125
PMA	Y=5.2×10-2X+6.0×10-4	0.998	0.1-	20	0.02	0.05	2.5
BMA	Y=2.7×10-2X+6.6×10-3	0.999	1-	200	0.1	0.4	25
HA	Y=6.7×10-4X+3.2×10-4	0.998	2500-	500000	900	3000	12500
2MHA	Y=4.4×10-2X+4.8×10-3	0.999	1-	200	0.6	2	25
3MHA+4MHA	Y=3.7×10-2X+2.6×10-2	0.995	5-	1000	4	12	25

Y: peak area ratio of the quantitative ion of the analyte to the internal standard; X: mass concentration, μg/L.