Table 1.

Merits of the proposed method in water, urine and plasma matrices for extraction and determination of CPZ.

Matrix	LOD (ng/mL)	LOQ (ng/mL)	RSD% (n=5, 10 ng/mL)		Enrichment factor	Extraction percentage (%)	Linear range (ng/mL)	R2
			Inter-day	Intra-day
Water	0.1	0.25	1.2	3.1	106	74	0.25–300	0.9998
Urine	0.5	1.5	4.2	7.3	38	27	5.0–300	0.9986
Plasma	1.0	3.0	3.2	8.6	23	16	10.0–300	0.9936