Table 1.

Analytical curve, coefficient of determination (R²), LOD, LOQ of imidacloprid in solvent and matrix.

Matrix	Parameter	Solvent standard				Brinjal matrix standard
			tcal	tcrit	T test		tcal	tcrit	T test
Brinjal	Analytical curve	Y = 4500.8x-22339	2.515	2.306	S	Y = 5322.8x-20619	2.421	2.306	S
	R2	0.998				0.999
	LOD	0.001 μg mL−1				0.001 μg/g
	LOQ	0.003 μg mL−1				0.003 μg/g
	Matrix effect	18.26
Okra	Analytical curve	Y = 774.9x-812.53	3.087	2.262	S*	Y = 841.1x-404.28	2.841	2.262	S*
	R2*	0.998				0.999
	LOD*	0.001 μg mL−1				0.0025 μg/g
	LOQ*	0.002 μg mL−1				0.008 μg/g
	Matrix effect	8.54

R²- Coefficient of determination, LOD-Limit of detection, LOQ-Limit of quantification S-significant t_cal-t student calculated, t_crit-t student critical.