Use of the Charge Transfer Reactions for the Spectrophotometric Determination of Risperidone in Pure and in Dosage Forms

Table 4

Results of recovery experiments via the standard addition technique.

Tablet brand name	Method A				Method B
	RSP tablet; μg/mL	Pure RSP added,; μg/mL	Total found; μg/mL	Pure RSP recovered*; %  ± SD	RSP tablet; μg/mL	Pure RSP added,; μg/mL	Total found; μg/mL	Pure RSP recovered*; %  ± SD
Respidone; (torrent (mind))	5	5	9.97	99.22±0.19	10	10	19.99	99.86±0.48
	5	10	15.10	100.91±0.11	10	20	30.25	101.23±0.37
	5	15	20.08	100.42±0.13	10	30	40.50	101.67±0.50
Rispond; (micro synapse)	5	5	9.92	98.38±0.16	10	10	20.02	100.19±0.27
	5	10	15.02	100.16±0.23	10	20	30.27	101.35±0.95
	5	15	19.89	99.28±0.19	10	30	40.59	101.96±0.14

*Mean value of three measurements.