Table V.

Intraday and Interday Precision Results for the Method Using the Supernatant of Unloaded Chitosan Nanoparticles as the Solvent

Standard solution (μg/ml)	Day	Measured (μg/ml)	SD	RSD	Confidence interval 95%
Intraday variation (n = 3)
10	1	11.35	0.85	7.48	±0.96
	2	11.23	0.18	1.62	±0.21
	3	11.25	0.65	5.78	±0.74
80	1	75.98	0.89	1.17	±1.01
	2	75.17	0.73	0.98	±0.83
	3	80.88	1.39	1.72	±1.57
160	1	161.56	0.51	0.32	±0.58
	2	159.72	1.00	0.63	±1.13
	3	160.32	1.18	0.73	±1.33
Interday (n = 9)
10		11.88	0.53	4.43	±0.34
80		77.53	2.78	3.59	±1.82
160		160.40	0.93	0.58	±0.61