Spectrophotometric Determination of Gemifloxacin Mesylate, Moxifloxacin Hydrochloride, and Enrofloxacin in Pharmaceutical Formulations Using Acid Dyes

Table 5

Determination of GMF in its pharmaceutical dosage forms applying the standard addition technique.

Reagent	Taken (μg mL^−1)	Pure drug added (μg mL^−1)	Factive tablets		Flobiotic tablet		GemiQue tablets
			Total found (μg mL^−1)	Recovery %^a  ± SD	Total found (μg mL^−1)	Recovery %  ± SD	Total found (μg mL^−1)	Recovery % ± SD
BCG	2.0	4.0	5.96	99.30 ± 0.78	5.98	99.60 ± 0.67	6.02	100.30±0.51
		8.0	9.91	99.10 ± 1.02	10.02	100.20±0.82	9.92	99.20±0.70
		12	13.97	99.80 ± 1.24	13.96	99.70±1.09	13.99	99.90±0.94
BCP	2.0	2.0	3.996	99.90 ± 0.66	3.96	99.10±0.42	3.97	99.30±0.38
		6.0	8.02	100.20 ± 0.90	7.98	99.80±0.69	7.99	99.90±0.84
		10	11.92	99.30 ± 0.95	12.05	100.40±1.03	11.95	99.60±1.17
BPB	2.0	4.0	5.97	99.50 ± 0.57	5.99	99.80±0.36	6.01	100.15±0.76
		8.0	9.97	99.70 ± 0.76	9.96	99.60±0.49	9.97	99.70±0.96
		12	13.87	99.10 ± 1.14	13.97	99.90±0.78	13.89	99.20±1.21
BTB	2.0	4.0	6.03	100.50 ± 0.48	6.01	100.10±0.53	6.01	100.10±0.54
		8.0	9.90	99.00 ± 0.72	9.96	99.60±0.85	9.96	99.60±1.03
		12	13.93	99.50 ± 0.97	13.96	99.70±1.31	14.04	100.30±1.15
MO	5.0	5.0	9.97	99.70 ± 0.32	9.91	99.10±0.70	9.99	99.90±0.65
		10	14.94	99.60 ± 0.56	15.06	100.40±1.05	14.97	99.80±0.85
		20	24.95	99.80 ± 0.90	24.88	99.50±1.25	24.90	99.60±1.10

aAverage of six determinations.