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Asian Journal of Research in Chemistry
Year : 2020, Volume : 13, Issue : 2
First page : ( 82) Last page : ( 84)
Print ISSN : 0974-4169. Online ISSN : 0974-4150.
Article DOI : 10.5958/0974-4150.2020.00017.6

A Validated Non-aqueous Potentiometric Titration Method for Quantitative Determination of Terbutaline Sulphate from Pharmaceutical Preparation

Rajan V Rele*, Prathamesh P Tiwatane

Central Research Laboratory, D.G. Ruparel College, Mahim, Mumbai, 400016

*Corresponding Author E-mail: drvinraj@gmail.com

Online published on 7 April, 2020.

Abstract

A simple precise, rapid accurate and sensitive non-aqueous potentiometric titration method was developed for quantitative determination of terbutaline sulphate from pharmaceutical dosage form. The titration was carried out using standardized 0.1 N perchloric acid. The proposed method was found to be precise with % RSD <1 (n = 6). The method showed strict linearity (r2 > 0.9999) between 50% to 150% of 0.400 mg of drug substance weight. The percentage recovery of terbutaline sulphate in the optimized method was between 99.39 to 99.64%. The method is also found to be rugged when checked by different analysts and using different lots of reagents and different makes of titrators.

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Keywords

Terbutaline sulphate, Perchloric acid, Potassium hydrogen phthalate, Glacial acetic acid mercury acetate.

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