Validated Method for the Determination of Piroxicam by Capillary Zone Electrophoresis and Its Application to Tablets
Table 3
Accuracy data for PIR.
Standard
Day 1 ()
Added (g/mL)
0.23
1.79
14.41
Found (mean ± SD)
0.23 ± 0.003
1.8 ± 0.02
14.54 ± 0.11
Recovery%
102.61
100.26
101.15
SE%
2.61
0.26
1.15
RSD%
1.44
1.12
0.76
Day 2 ()
Added (g/mL)
0.23
1.79
14.41
Found
0.23 ± 0.003
1.79 ± 0.002
14.51 ± 0.06
Recovery%
99.95
99.76
100.78
SE%
−0.05
−0.23
0.78
RSD%
1.49
1.12
0.41
Day 3 ()
Added (g/mL)
0.23
1.79
14.41
Found
0.23 ± 0.001
1.8 ± 0.01
14.61 ± 0.1
Recovery%
102.45
100.47
101.61
SE%
2.45
0.47
1.61
RSD%
0.68
0.63
0.81
Whole days ()
Added (g/mL)
0.23
1.79
14.41
Found
0.23 ± 0.003
1.8 ± 0.01
14.54 ± 0.1
Recovery%
101.67
100.16
101.18
SE%
1.67
0.16
1.18
RSD%
1.67
0.72
0.69
Matrix
()
Added (g/mL)
0.26
2.56
25.58
Found
0.25 ± 0.03
2.56 ± 0.01
25.8 ± 0.1
Recovery%
99.76
100.21
100.94
SE%
−0.24
0.21
0.94
RSD%
1.26
0.64
0.65
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).
