Spectrophotometric and spectrofluorimetric methods for determination of racecadotril

Journal Title: Pakistan Journal of Pharmaceutical Sciences - Year 2011, Vol 24, Issue 1

Abstract

Two accurate and sensitive spectrophotometric and spectrofluorimetric methods were developed for determination of Racecadotril. In the first method reduction of Fe3+ into Fe2+ in presence of o-phenanthroline by Racecadotril to form a stable orange-red ferroin chelate [Fe- (Phen)3]2+ was the basis for its determination . The absorbance at 510 nm was measured and linear correlation was obtained in the concentration range of 2.5 – 25 µg mL-1. In the second method the native fluorescence of Racecadotril in acetonitrile solvent at λ = 319 nm when excitation was at 252 nm is used for its determination. Linear correlation was obtained in the concentration range of 50 to 500 ng mL-1. The proposed methods were applied for determination of Racecadotril in bulk powder with mean accuracy of 100.39±1.239 for the spectrophotometric method and 100.09± 1.042 for the spectrofluorimetric method. The proposed methods were successfully applied for determination of Racecadotril in its pharmaceutical dosage form.

Authors and Affiliations

Nouruddin Ali, Mohammed Elghobashy

Keywords

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  • EP ID EP160372
  • DOI -
  • Views 105
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How To Cite

Nouruddin Ali, Mohammed Elghobashy (2011). Spectrophotometric and spectrofluorimetric methods for determination of racecadotril. Pakistan Journal of Pharmaceutical Sciences, 24(1), 19-23. https://europub.co.uk/articles/-A-160372