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

Table 2

Calibration data for PIR.

	Intraday			Interdays
	Day 1 ()	Day 2 ()	Day 3 ()	Whole days ()
	51518	52811	51240	51857
	0.005	−0.002	0.007	0.003
	0.9999	0.9999	0.9999	0.9998
±Sr	0.020	0.020	0.015	0.059
RSD% of	1.089	1.070	0.857	1.832
CI ()	±463	±466	±362	±394

is slope, is intercept, is correlation coefficient, Sr is standard deviation of regression equation, RSD is relative standard deviation, CI is confidence interval, and is probability level of 95% for experiments (intraday) and for experiments (interdays).