Determination of alginate copolymer in pharmaceutical formulations by micellar electrokinetic chromatography

Nevin Öztekin, Selda Başkan, F. Bedia Erim*

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

12 Citations (Scopus)

Abstract

A micellar electrokinetic chromatography method was developed for the determination and quantification of sodium alginate. The alginate peak migrated in the very short time of 1.33 min and calibrated easily though the polydisperse properties of alginates. The minimum detection limit (LOD) of the method was calculated as 0.393 mg/ml. This analysis method was successfully applied to the alginate quantification in an antacid pharmaceutical formulation. Precise and reproducible analysis results were obtained, with liquid formulations injected directly without any pre-separation process.

Original languageEnglish
Pages (from-to)488-492
Number of pages5
JournalJournal of Chromatography B: Analytical Technologies in the Biomedical and Life Sciences
Volume850
Issue number1-2
DOIs
Publication statusPublished - 1 May 2007

Keywords

  • Alginate
  • Antacid
  • Capillary electrophoresis
  • MEKC

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