Table 1. Overview of the Standard Curve, Sensitivity, and Matrix Effect of Fenbutatin Oxide in Different Samples.

samples	range (mg/L)	regression equation	R2	LOD (mg/kg)	LOQ (mg/kg)	matrix effect
soil	0.005–1	y = 3.22e07x + 2.71e05	0.9994	0.002	0.007	0.93
tobacco		y = 3.70e07x + 5.99e05	0.9953	0.002	0.007	1.06
rice		y = 3.52e07x + 1.87e05	0.9980	0.002	0.007	1.01
milk		y = 4.42e07x + 4.64e05	0.9987	0.002	0.007	1.27
pork liver		y = 4.48e07x – 7.96e05	0.9941	0.002	0.007	1.29
pork		y = 3.53e07x + 7.13e05	0.9981	0.002	0.007	1.01