Validated Reversed-Phase Ion-Interaction High-Performance Liquid Chromatography for Quantitation of Nitrate Content of Clausena anisata (Willd.) Hook. f. ex Benth. Leaves

Table 1

Precision and accuracy of nitrate analysis.

Concentration (μg/mL)	Precision (percent RSD)				Spike concentration (μg/mL)	Accuracy
	Intraday			Interday		Recovery (%)
	Day 1	Day 2	Day 3
5	1.50	0.11	0.10	1.88	5	98.11 ± 0.02
10	0.08	0.71	0.04	1.11	10	96.32 ± 0.00
25	0.07	0.04	0.04	1.32	25	98.27 ± 0.00

Percent RSD = SD × 100/mean.