Spectrophotometric Estimation of Flutamide in Pure and in Pharmaceutical Preparations

Table 2

Evaluation of intra-day and inter-day accuracy and precision results.

Method	FA taken, μg/mL		Intra-day^a			Inter-day^b
		FA found^c, μg/mL	Precision^d	Accuracy^e	FA found^c, μg/mL	Precision^d	Accuracy^e
	2	1.98	1.61	0.93	1.97	2.32	1.36
A	6	5.96	0.75	0.69	5.89	1.32	1.81
	10	10.02	1.13	−0.18	9.89	2.13	1.04
	2	1.99	0.61	0.80	1.96	2.06	1.81
B	4	3.97	0.87	0.73	3.92	0.94	1.96
	8	7.90	1.25	2.17	8.10	2.75	1.23
	2	1.98	2.56	0.90	2.04	1.26	1.98
C	4	3.98	1.00	0.54	3.92	1.25	1.96
	8	7.89	0.37	1.36	7.87	2.22	1.63

^aMean value of five determinations; ^bMean value of five determinations; ^cMean value of three determinations; ^dRelative standard deviation (%); ^eBias %: (found − taken/taken)×100.