Journal of Analytical Methods in Chemistry / 2014 / Article / Tab 3

Research Article

Validated Method for the Determination of Piroxicam by Capillary Zone Electrophoresis and Its Application to Tablets

Table 3

Accuracy data for PIR.

StandardDay 1 ()Added (g/mL)0.231.7914.41
Found (mean ± SD)0.23 ± 0.0031.8 ± 0.0214.54 ± 0.11
Recovery%102.61100.26101.15
SE% 2.610.261.15
RSD%1.441.120.76
Day 2 ()Added (g/mL)0.231.7914.41
Found 0.23 ± 0.0031.79 ± 0.00214.51 ± 0.06
Recovery%99.9599.76100.78
SE% −0.05−0.230.78
RSD%1.491.120.41
Day 3 ()Added (g/mL)0.231.7914.41
Found 0.23 ± 0.0011.8 ± 0.0114.61 ± 0.1
Recovery%102.45100.47101.61
SE% 2.450.471.61
RSD%0.680.630.81
Whole days ()Added (g/mL)0.231.7914.41
Found 0.23 ± 0.0031.8 ± 0.0114.54 ± 0.1
Recovery%101.67100.16101.18
SE% 1.670.161.18
RSD%1.670.720.69

Matrix()Added (g/mL)0.262.5625.58
Found 0.25 ± 0.032.56 ± 0.0125.8 ± 0.1
Recovery%99.76100.21100.94
SE% −0.240.210.94
RSD%1.260.640.65

SD is standard deviation, SE is standard error, and RSD is relative standard deviation for experiments (standard and matrix) and for experiments (standard, whole days).