Surface tensions and densities of concentrated aqueous solutions of citric acid

Monika Żarska, Marzena Dzida, Alexander Apelblat

Research output: Contribution to journalArticlepeer-review

10 Scopus citations

Abstract

Surface tensions of aqueous solutions of citric acid (unsaturated solutions and solutions with microcrystals) were measured in the temperature range from 283.15 K to 323.15 K. They were determined by the pendant drop method. Their values are compared with those that exist in the literature. Together with measured surface tensions, the corresponding densities were also determined by using an oscillating tube densimeter. Basing on measured densities and surface tensions, the parachor values and apparent molar volumes of aqueous citric acid solutions were calculated and discussed.

Original languageEnglish
Pages (from-to)91-95
Number of pages5
JournalJournal of Molecular Liquids
Volume228
DOIs
StatePublished - 1 Feb 2017

Keywords

  • Aqueous solutions of citric acid
  • Density
  • Parachor
  • Surface tension
  • The apparent molar volume

ASJC Scopus subject areas

  • Electronic, Optical and Magnetic Materials
  • Atomic and Molecular Physics, and Optics
  • Condensed Matter Physics
  • Spectroscopy
  • Physical and Theoretical Chemistry
  • Materials Chemistry

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