Table 4.

Robustness study data

Method	Parameter	Value	Tailing factor	Number of theoretical plates	Content (%)
Liquid Chromatographic method	Acetonitrile composition%	9	0.775	11 824	100.15
		11	0.739	11 789	99.87
	Flow rate (mL min-1)	0.9	0.753	11 624	99.78
		1.1	0.746	11 698	100.02
Spectrophotometric method	Solvent	Methanol			100.25
		Ethanol			99.74
		Isopropyl alcohol			100.03
	Detection wavelengths	225			99.94
		229			100.14