Validated stability-indicating spectrofluorimetric methods for the determination of ebastine in pharmaceutical preparations

Table 4 Determination of ebastine in its pure form using method I

Parameter	Amount taken (μg/ml)	Amount found (μg/ml)	% Recovery	Comparison method³ ,% Recovery
	0.1	0.099	99.0	100.62
	0.2	0.199	99.90	99.15
	0.3	0.298	99.33	99.34
	0.5	0.502	100.40
	0.7	0.706	100.86
	0.8	0.799	99.88
	1.0	1.005	100.5
Xˉ ± SD			99.98 ± 0.66	99.70 ± 0.79
Student's t test			0.33 (1.94)*
Variance ratio F test			1.4 (5.14)*

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