Determination of vitamin C in effervescent tablets containing other vitamins together with trace elements

Katalin Kovács-Hadady, István Fábián

Research output: Contribution to journalArticle

2 Citations (Scopus)

Abstract

A simple, rapid method is reported for the determination of vitamin C in effervescent tablets containing other vitamins and several trace elements such as Mg(II), Zn(II), Fe(II), Mn(II), Cu(II) and Mo(VI). The procedure was developed on the basis of the bromate ion-iodide ion-ascorbic acid clock reaction (Landolt reaction). Interference effects of air oxygen and metal ions and the role of pH are discussed in detail.

Original languageEnglish
Pages (from-to)1479-1486
Number of pages8
JournalJournal of Pharmaceutical and Biomedical Analysis
Volume14
Issue number11
DOIs
Publication statusPublished - Aug 1996

Keywords

  • Effervescent tablets
  • Landolt reaction
  • Vitamin C

ASJC Scopus subject areas

  • Analytical Chemistry
  • Pharmaceutical Science
  • Drug Discovery
  • Spectroscopy
  • Clinical Biochemistry

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