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Journal of Analytical Chemistry

, Volume 64, Issue 2, pp 171–175 | Cite as

Determination of glimepiride in pharmaceutical formulations using HPLC and first-derivative spectrophotometric methods

  • I. U. KhanEmail author
  • F. Aslam
  • M. Ashfaq
  • M. N. Asghar
Articles

Abstract

Two validated analytical methods have been developed to determine glimepiride in pharmaceutical formulations using HPLC and 1st order derivative spectrophotometric techniques. Employing reverse phase HPLC method, the drug was analyzed by pumping a mixture of acetonitrile and 2% formic acid solution, pH 3.5 (80: 20 v/v) through a C18 column (250 × 4.6 mm, 5 μm) and detecting the eluents at 228 nm. The linearity range was found to be 20–140 μg/mL with mean recovery of 100.52 ± 0.33%. The second method was based on the formation of a complex of the drug with 2,3,5-triphenyl-2H-tetrazolium chloride in basic media. 1st order derivative spectrum made it possible to detect the complex at 413.5 nm. The linearity range was found to be 40–160 μg/mL, with mean recovery of 100.33 ± 0.47%. Both the proposed methods can reliably be used for routine analysis of glimepiride in raw material as well as in pharmaceutical formulations.

Keywords

Sodium Hydroxide HPLC Method Spectrophotometric Method Avicel Pharmaceutical Formulation 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.

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Copyright information

© Pleiades Publishing, Ltd. 2009

Authors and Affiliations

  • I. U. Khan
    • 1
    Email author
  • F. Aslam
    • 1
  • M. Ashfaq
    • 1
  • M. N. Asghar
    • 1
  1. 1.Department of Chemistry, Faculty of ScienceGovernment College UniversityLahorePakistan

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