Studies on Paliperidone in OROS Tablets: Extraction Procedure and Chromatographic Analysis

Table 4

Results from accuracy evaluation of the LC method for determination of paliperidone in extended-release OROS tablets.

Level (%)	Concentration of sample (μg mL^−1)	Amount of drug added (μg mL^−1)	Amount of drug found (μg mL^−1)	Mean of recovery^a (%)	RSD (%)
10	30	3.0	2.98	99.36	1.37
20	30	6.0	3.00	100.07	1.52
30	30	9.0	3.00	100.11	0.13

^aMean of three amounts, assayed in triplicate.