Smart green spectrophotometric assay of the ternary mixture of drotaverine, caffeine and paracetamol in their pharmaceutical dosage form

Table 11 Assay results for the determination of DRT, CAFF, and PAR in synthetic mixtures using double divisor method

Mix. No	Ratio	Amount taken (µg/mL)			Amount found (µg/mL)			Percentage found^b
Mix. No	Ratio	DRT	CAFF	PAR	DRT	CAFF	PAR	DRT	CAFF	PAR
1	1:1.5:10	2.00	3.00	20.00	2.029	1.993	20.069	101.45	100.63	100.35
2	1:1.5:10	3.00	4.50	30.00	2.961	3.017	29.795	98.7	99.20	99.32
3	1:1.5:10	4.00	6.00	40.00	4.024	3.99	40.049	100.6	100.35	100.12
Mean								100.25	100.06	99.93
± S.D								1.41	0.76	0.54
%RSD								1.41	0.76	0.54
%Error								0.81	0.44	0.31
t^a								0.31	0.53	0.70
F^a								1.5	3.95	7.85

ISSN: 2661-801X