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Year : 2015  |  Volume : 6  |  Issue : 2  |  Page : 62-65

Spectrophotometric method for estimation of amiloride in bulk and tablet dosage form

Department of Chemistry, Sri Krishnadevaraya University, Kurnool, Andhra Pradesh, India

Correspondence Address:
Aitha Vijaya Lakshmi
Department of Chemistry, Sri Krishnadevaraya University, Kurnool, Andhra Pradesh
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Source of Support: None, Conflict of Interest: None

DOI: 10.4103/2394-6555.162443

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Introduction: Amiloride chemically, 3,5-diamino-6-chloro-N-(diaminomethylene) pyrazine-2-carboxamide. It is used in the management of congestive heart failure, available as Amifru tab, Amimide. It causes adverse effects like Nausea, diarrhea and dizziness. Materials: 0.1 N Hydrochloric acid, 0.1 N Sodium hydroxide and 1 mg/ml amiloride drug solution were required. Spectral and absorbance measurements were made using ELICO UV-160 double beam Spectrophotometer. Method: Amiloride drug solution concentration range of 25 to 125ug/ml in 0.1N HCl medium was scanned over the wave length range of 235-320 against blank prepared in 0.1N NaOH solution. Two wavelengths are selected one at positive peak 245 nm and another at negative peak 290 nm, the amplitude is calculated from these values. Results and Discussion: The sum of the absolute values at these wavelengths is called amplitude. The amplitude is proportional to the amount of drug. High accuracy, reproducibility and low t-values were reported from the calibration curve plotted with the amplitude verses amount of drug. So the proposed method is simple, less time consuming and it can be successfully adopted for the estimation of amiloride.

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