Simple and Selective Spectrophotometric Determination of Ofloxacin in Pharmaceutical Formulations Using Two Sulphonphthalein Acid Dyes

Table 4

Recovery of the drug from synthetic mixture.

Method	OFX in synthetic mixture taken, µg/mL	OFX recovered^a (Percent ± SD)
Method A	8.0	101.6 ± 1.15
	12.0	100.9 ± 1.21
	16.0	102.5 ± 1.13
Method B	8.0	103.18 ± 1.18
	12.0	102.61 ± 1.11
	16.0	103.7 ± 1.23

aMean value of five determinations.