Nominal Conc of Risperidone(μg/mL) Intra-day (n=5)%RSD Inter-day (n=5) %RSD 0.5 μg/mL 0.92% 4.79% 1.0 μg/mL 0.58% 1.86% 1.5 μg/mL 0.14% 2.14%

Table 3: Intra-day and inter-day precision data for the method.