Stability-Indicating High-Performance Liquid Chromatographic Determination of Levamisole Hydrochloride in Bulk and Dosage Forms

Table 6

Statistical comparison between the developed method and the official method.

	Developed method	Official method
Content % 1	103.40	99.20
Content % 2	105.90	97.10
Content % 3	100.40	100.00
Content % 4	100.00	94.90
Content % 5	99.80	100.50
Average	101.90	98.34
STDEV	2.67	2.32
t-value	2.25 (2.31)
F-value	5.38 (6.38)

Calculated at 95% confidence limit for 8 degrees of freedom.