Journal :   Asian Journal of Research in Chemistry

Volume No. :   8

Issue No. :  4

Year :  2015

Pages :   273-277

ISSN Print :  0974-4169

ISSN Online :  0974-4150


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Simultaneous Spectrophotometric Estimation of Ambroxal hydrochloride and Salbutamol sulphate by First Order derivative Method in Combined Dosage Form



Address:   Rajan V. Rele*
Central Research Laboratory, D.G. Ruparel College, Matunga, Mumbai 400016.
*Corresponding Author
DOI No: 10.5958/0974-4150.2015.00047.4

ABSTRACT:
The objective of the study was to develop a simple, accurate, precise and rapid a UV spectrophotometric i.e. first order derivative method for the determination of ambroxal hydrochloride and salbutamol sulphate in combined dosage form i.e. tablets by using distilled water as a solvent. The method was further validated by ICH guidelines. The proposed first order derivative method involves the measurement of absorbance of one drug at zero crossing point of other; hence wavelengths 215 nm and 233 nm were selected for the estimation of ambroxal hydrochloride and salbutamol sulphate respectively. The linearity of the proposed method was found in the concentration range of 1 to 12 µg /ml (r2= 0.9986) for ambroxal hydrochloride and 1 to 14 µg /ml (r2= 0.9996) for salbutamol sulphate respectively. The percentage mean recovery was found to be 99.995 % for ambroxal hydrochloride and 99.980 % for salbutamol sulphate respectively. The method was also statistically validated for its linearity, accuracy and precision. Both intra and inter day variations showed less percentage (%) RSD values indicating high grade of precision of this method.
KEYWORDS:
UV spectrophotometric estimation, first order derivative method, ambroxal hydrochloride, Salbutamol sulphate.
Cite:
Rajan V. Rele. Simultaneous Spectrophotometric Estimation of Ambroxal hydrochloride and Salbutamol sulphate by First Order derivative Method in Combined Dosage Form. Asian J. Research Chem 8(4): April 2015; Page 273-277.
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