Modifications in the chemical derivatization of carboxylic acids for their gas chromatographic analysis

I. Molnár-Perl, M. Pintér-Szakács

Research output: Contribution to journalArticle

25 Citations (Scopus)

Abstract

Gas chromatographic analysis of (i) C1C20 fatty acids, (ii) C2C16 aliphatic dicarboxylic acids, and (iii) in a single run, C16 and C18 fatty acids, C2C7 aliphatic dicarboxylic acids, and aromatic di- and polycarboxylic acids, was made possible by derivatization with sulphuric acid-butanol. In addition, it has been shown that aqueous solutions of fatty acids, aliphatic dicarboxylic acids, aromatic polycarboxylic acids and aliphatic hydroxy acids can be esterified by sulphuric acid-butanol, with different yields, depending on the amount of water present. The efficiency of the esterification process in the presence of water has been extended by use of anhydrous sodium sulphate.

Original languageEnglish
Pages (from-to)171-182
Number of pages12
JournalJournal of Chromatography A
Volume365
Issue numberC
DOIs
Publication statusPublished - Sep 19 1986

ASJC Scopus subject areas

  • Analytical Chemistry
  • Biochemistry
  • Organic Chemistry

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