Parameter Analyst-1 Analyst -2 Average % Concentration 100.00 100.00 100.00 Mean 4,806.02 5,081.47 4,943.74 Sd 76.14 156.63 185.68 % rsd 1.58 3.08 3.80 n 6 6 12 n= number of replicate samples

Table 3: Intermediate precision for diclofenac sodium using two analysts.