Table 2.

Precision and accuracy for the determination of the four compounds in rat plasma.

Compound No.	Concentration (ng/mL)	Intra-day		Inter-day
		Accuracy (%)	Precision (RSD, %)	Accuracy (%)	Precision (RSD, %)
1	1.91 × 10	90.88	10.60	81.91	8.18
	3.09 × 102	96.45	8.19	99.13	8.91
	1.23 × 103	101.04	8.27	87.58	9.21
2	4.32	90.45	10.56	73.03	18.70
	1.38 × 102	91.22	8.37	99.18	10.22
	1.11 × 103	99.68	10.40	100.09	9.13
3	1.78 × 10	91.09	12.10	80.15	16.41
	1.43 × 102	99.48	9.04	99.28	8.88
	1.14 × 103	102.00	9.13	97.28	10.37
4	1.11 × 10	92.21	8.91	77.59	17.27
	1.77 × 102	99.08	9.33	93.12	10.32
	1.42 × 103	98.90	9.87	99.90	9.49