Environmentally benign liquid chromatographic method for concurrent estimation of four antihistaminic drugs applying factorial design approach

Table 5 Precision data for determination of RUP, DES, FEX and MKT by the designed method

Concentration (μg/mL)		RUP			DES			FEX			MKT
Concentration (μg/mL)		1.00	8.00	10.00	1.00	8.00	10.00	1.00	8.00	10.00	1.00	8.00	10.00
Intra-day	%Recovery (mean)^a	99.60	99.41	100.34	100.30	100.62	100.01	100.56	100.25	98.97	100.13	100.25	98.24
	± SD	0.90	0.58	0.36	0.70	0.99	0.52	1.56	0.63	0.63	1.70	0.63	0.19
	%RSD	0.90	0.60	0.40	0.69	0.99	0.52	1.55	0.63	0.64	1.69	0.63	0.19
	%Error	0.52	0.33	0.21	0.40	0.57	0.30	0.89	0.36	0.36	0.98	0.36	0.11
Inter-day	%Recovery (mean)^a	99.66	99.88	100.13	99.60	100.56	99.87	99.53	99.60	99.17	100.36	99.70	100.62
	± SD	0.91	1.12	1.25	0.70	1.02	0.46	1.13	1.25	0.46	1.31	1.25	0.89
	%RSD	0.91	1.12	1.25	0.70	1.01	0.46	1.14	1.26	0.47	1.30	1.25	0.89
	%Error	0.53	0.65	0.72	0.41	0.58	0.27	0.66	0.73	0.27	0.75	0.72	0.51

ISSN: 2661-801X