Stability indicating eco-friendly quantitation of terbutaline and its pro-drug bambuterol using quantitative proton nuclear magnetic spectroscopy

Table 4 Determination of the investigated drugs in their pharmaceutical tablet dosage forms using the proposed and comparison methods

Compound	Proposed method			Comparison method [10]
Aironyl^®2.5 mg terbutaline/ml	Amount taken	Amount found	% Found	Amount taken (µg/ml)	% Found
	1.0	1.02	102.0	1.25	101.76
	1.5	1.47	98.0	2.5	98.25
	2.0	1.96	101.5	4.0	100.59
Mean	100.5			100.2
± S.D	1.8
Student´s T-test	0.18 (2.7)⁎
Variance F-test	1.48 (19.0)⁎
Probric^® tablet 10 mg bambuterol	1.0	0.98	98.0	0.2	102.0
	2.0	1.992	99.6	0.4	98.75
	4.0	3.91	98.0	1.6	99.75
Mean	98.5			100.39
± S.D	1.7
Student´s T-test	1.2 (2.7)⁎
Variance F-test	6.3 (19.0)⁎

Each result is an average of three separate determinations
^⁎The values between parentheses are the tabulated t and F values at P = 0.05[25]

ISSN: 2661-801X