Spectrophotometric Determination of Thioridazine Hydrochloride in Tablets and Biological Fluids by Ion-Pair and Oxidation Reactions

Table 4

Results of the recovery study by the standard addition method.

Formulation	Method	Amount of drug in formulation, μg	Amount of pure drug added, μg	Total found, μg	Recovery %	RSD, %
			12	11.661	97.17	1.2601
	BCG	8	16	15.745	98.41	1.1922
			20	19.258	96.29	1.8082
			12	11.725	97.71	1.4406
	BCP	8	16	15.812	98.82	1.2663
Thiozine, 25 mg/tablet			20	19.587	97.94	1.9331
			0.4	1.610	100.68	0.9703
	KMnO4 + IC	1.2	0.8	1.974	98.74	1.6282
			1.0	2.174	98.81	1.4965
			0.4	1.189	99.16	1.1380
	KMnO4 + MO	0.8	0.8	1.581	98.85	1.4635
			1.2	1.974	98.77	1.5673