Detection of Organophosphorus Pesticides in Wheat by Ionic Liquid-Based Dispersive Liquid-Liquid Microextraction Combined with HPLC

Table 3

Comparison of this method with previous works.

Method	IL type	IL volume	Process time	Linear range (g/L) (g/Kg)	LOD (g/L) (g/Kg)	RSD (%)	Matrix	Reference
SBME	[OMIM][PF6]	Not mentioned	>60 min	1–200	<0.026	<3	Water	[29]
LPME	[HMIM][PF6]	50 L	>50 min	1–100	<0.29	<3	Water	[30]
DLLME	[ODMIM]/[HMIM][Nf2T] mix IL	54 L	∼13 min	2.5–500	<0.69	<0.69	Fruit juices	[18]
DLLME	[OMIM][PF6]	50 L	∼6 min	2-100 g/Kg	<0.73	<5.7	Apple and pear	[28]
DLLME	[OMIM][Tf2N]	22 L	∼13 min	0.01–100	0.1	<5.9	Wheat	This work