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

Table 7

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

Reagent	Taken (μg mL^−1)	Pure drug added (μg mL^−1)	Enrocin 10% injectable		Avitryl 20% injectable
			Total found (μg mL^−1)	Recovery %^a  ± SD	Total found (μg mL^−1)	Recovery % ± SD
BCG	5.0	5.0	9.92	99.20 ± 0.48	9.94	99.40 ± 0.46
		10	14.94	99.60 ± 0.66	15.20	100.10 ± 0.72
		15	19.98	99.90 ± 0.82	19.90	99.50 ± 1.05
BBTB	5.0	5.0	10.05	100.50 ± 0.56	9.97	99.70 ± 0.52
		10	14.91	99.40 ± 0.83	15.05	100.30 ± 0.69
		15	19.84	99.20 ± 1.20	19.82	99.10 ± 0.95

aAverage of six determinations.