Novel spectrophotometric methods for concurrent assessment of duloxetine and avanafil in their binary mixture using derivative spectroscopy: greenness-blueness evaluation

Table 2 Evaluation of the accuracy of the proposed methods for the determination of the investigated drugs

Drug	Conc. (µg/mL)	Method I		Method II
Drug	Conc. (µg/mL)	Amount found (µg/mL)	% Recovery ^a ± SD	Amount found (µg/mL)	% Recovery ^a ± SD
DLX	2	1.96	98.09 ± 1.74	1.99	99.34 ± 1.79
	4	3.99	99.79 ± 1.74	4.00	99.99 ± 1.67
	6	6.03	100.56 ± 1.62	6.05	100.78 ± 0.85
	8	8.06	100.81 ± 1.85	8.13	101.68 ± 1.21
	10	10.00	100.01 ± 1.16	10.06	100.61 ± 0.89
AVN	2	2.04	101.92 ± 1.75	2.02	100.86 ± 1.86
	4	3.99	99.79 ± 1.34	4.02	100.41 ± 1.46
	6	5.93	98.90 ± 1.16	5.99	99.85 ± 1.35
	8	8. µg/mL 09	101.17 ± 0.89	7.93	99.17 ± 1.75
	10	9.94	99.41 ± 1.34	9.86	98.58 ± 1.62

ISSN: 2661-801X