Stability Indicating HPLC Determination of Risperidone in Bulk Drug and Pharmaceutical Formulations

Table 2

Recovery study.

Label claim Mg/tablet	Amount added %	Total amount added (mg)	Amount recovered* (mg) ± SD	% Recovery ± SD (𝑛=3)
Risperidone	50	1	0.99±0.02	99.66±1.79
2	100	2	2.01±0.02	100.21±1.11
	150	3	3.01±0.04	100.31±1.46

*Mean ± %SD for three determinations.