Application of RP-HPLC method for the simultaneous determination of cetirizine in the presence of quinolones

Future Journal of Pharmaceutical Sciences

Table 4 Intermediate precision of the method

Conc. (μg mL⁻¹)	% RSD	2.5	5	15	20	25	50
Ofloxacin	Interday	0.29	0.89	0.11	0.75	1.21	0.75
Ofloxacin	Intraday	0.38	0.59	0.56	0.96	1.56	0.62
Levofloxacin	Interday	0.55	0.19	1.09	0.72	0.8	0.99
Levofloxacin	Intraday	0.67	0.28	1.16	0.89	0.98	1.03
Ciprofloxacin	Interday	0.54	0.13	0.11	1.04	0.89	0.96
Ciprofloxacin	Intraday	0.74	0.45	0.55	1.21	1.31	1.32
Enoxacin	Interday	0.008	0.1	0.007	0.005	1.2	0.69
Enoxacin	Intraday	0.12	0.16	0.25	0.18	1.5	0.89
Sparfloxacin	Interday	0.458	0.11	0.4	0.87	0.03	0.85
Sparfloxacin	Intraday	0.72	0.54	0.67	0.92	1.2	1.5
Norfloxacin	Interday	1.27	0.37	0.89	0.96	0.75	0.22
Norfloxacin	Intraday	2.03	0.88	0.96	1.23	1.07	1.09
Cetirizine	Interday	0.51	0.26	0.74	0.95	0.82	0.71
Cetirizine	Intraday	0.72	0.74	0.92	1.03	1.05	1.78