Volumetric properties of aqueous solutions of L-glutamic acid and magnesium-L-glutamate

Yonit Sembira-Nahum, Alexander Apelblat, Emanuel Manzurola

Research output: Contribution to journalArticlepeer-review

17 Scopus citations

Abstract

Densities of aqueous solutions of L-glutamic acid and magnesium-L-glutamate were determined from T=288.15 to 333.15 K at 5 K temperature intervals. The measured densities were used to evaluate the apparent molar volumes, V 2,φ (m,T), the cubic expansion coefficients, α(m,T), and the changes of isobaric heat capacities with respect to pressure, (∂ C p /∂ p) T,m . They were qualitatively correlated with changes in the structure of water that occur when L-glutamic acid or magnesium-L-glutamate are present.

Original languageEnglish
Pages (from-to)391-401
Number of pages11
JournalJournal of Solution Chemistry
Volume37
Issue number3
DOIs
StatePublished - 1 Mar 2008

Keywords

  • Apparent molar volumes
  • Aqueous solutions
  • Densities
  • L-glutamic acid
  • Magnesium-L-glutamate
  • Thermal expansibilities

ASJC Scopus subject areas

  • Biophysics
  • Biochemistry
  • Molecular Biology
  • Physical and Theoretical Chemistry

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