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

Table 5 Precision data for determination of DRT, CAFF and PAR by the double divisor method

Parameters		DRT concentration (μg/mL)			CAFF concentration (μg/mL)			PAR concentration (μg/mL)
Parameters		4.00	8.00	10.00	3.00	6.00	15.00	10.00	20.00	40.00
Intra-day	Mean	99.35	100.34	100.19	100.31	99.91	100.19	98.91	100.82	99.84
	± SD	0.48	0.25	0.17	1.06	0.55	0.17	0.96	0.49	0.05
	% RSD	0.48	0.25	0.17	1.06	0.55	0.17	0.97	0.49	0.05
	% Error	0.28	0.15	0.1	0.81	0.32	0.10	0.56	0.56	0.03
Inter-day	Mean	99.61	99.59	99.72	100.54	100.24	99.72	100.52	99.44	100.03
	± SD	1.13	1.06	0.56	1.39	0.63	0.56	0.98	0.97	0.24
	% RSD	1.14	1.07	0.56	1.39	0.63	0.56	0.98	0.97	0.24
	% Error	0.66	0.62	0.33	0.61	0.36	0.33	0.56	0.29	0.14

ISSN: 2661-801X