Application of capillary zone electrophoresis to the analysis and to a stability study of nitrite and nitrate in saliva

Attila Gáspár, Péter Juhász, Kinga Bágyi

Research output: Contribution to journalArticle

45 Citations (Scopus)

Abstract

The applicability of capillary zone electrophoresis for the determinations of nitrite and nitrate was studied. Using direct UV detection the limit of detection values of the analytes were 0.14 and 0.21 μg/mL, respectively. The developed method was found to be useful to directly determine nitrite, nitrate and thiocyanate in saliva. It was found that adjusting the pH of the sample to 11 and storing the saliva at 4°C was adequate to make constant the nitrite/nitrate ratio in saliva samples at least 7 days.

Original languageEnglish
Pages (from-to)327-331
Number of pages5
JournalJournal of Chromatography A
Volume1065
Issue number2
DOIs
Publication statusPublished - Feb 18 2005

Keywords

  • Nitrate
  • Nitrite
  • Saliva

ASJC Scopus subject areas

  • Analytical Chemistry
  • Biochemistry
  • Organic Chemistry

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