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 recoverya (%)RSD (%)

10303.02.9899.361.37
20306.03.00100.071.52
30309.03.00100.110.13

aMean of three amounts, assayed in triplicate.