Density, excess and limiting properties of (water and deep eutectic solvent) systems at temperatures from 293.15 K to 343.15 K

Hosein Ghaedi, Muhammad Ayoub, Suriati Sufian, Azmi Mohd Shariff, Gulam Murshid, Sintayehu Mekuria Hailegiorgis, Saleem Nawaz Khan

Research output: Contribution to journalArticle

11 Citations (Scopus)

Abstract

Deep eutectic solvents (DESs) are derived from two or more salts as the hydrogen bond acceptors (HBAs) and hydrogen bond donors (HBDs). In this work, DES namely allyltriphenyl phosphonium bromide-diethylene glycol (ATPPB-DEG) was prepared by using three molar ratios of 1:4, 1:10 and 1:16 salt to HBD. The volumetric properties of aqueous DESs, such as density, molar volume, isobaric thermal expansion, apparent molar volume and apparent molar expansibility were reported at several temperatures from 293.15 to 343.15 K. A mathematical equation, so-called Jouyban–Acree model (JAM), was used to correlate the experimental density and molar volume data of aqueous solution of DESs with respect to the concentration and temperature. The results disclosed that this model is an accurate and reliable model for the prediction of aqueous DES properties. The excess properties, such as excess molar volume and excess isobaric thermal expansion were reported and fitted to two different equations. In order to calculate the limiting apparent molar volume values, the apparent molar volume values were fitted into a Redlich–Mayer equation. By applying the Hepler equation, it was found that DESs with molar ratios of 1:4 and 1:10 are as structure-maker solutes, while the DES 1:16 is a structure-breaking solute in aqueous solutions at different temperatures.

Original languageEnglish
Pages (from-to)378-390
Number of pages13
JournalJournal of Molecular Liquids
Volume248
DOIs
Publication statusPublished - Dec 1 2017

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eutectics
Density (specific gravity)
Eutectics
Water
water
Temperature
Hydrogen bonds
hydrogen bonds
temperature
thermal expansion
solutes
Thermal expansion
aqueous solutions
salts
Salts
Glycols
Bromides
glycols
bromides
predictions

Keywords

  • Aqueous solution
  • Density
  • DES
  • Excess property
  • Jam
  • 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

Cite this

Density, excess and limiting properties of (water and deep eutectic solvent) systems at temperatures from 293.15 K to 343.15 K. / Ghaedi, Hosein; Ayoub, Muhammad; Sufian, Suriati; Shariff, Azmi Mohd; Murshid, Gulam; Hailegiorgis, Sintayehu Mekuria; Khan, Saleem Nawaz.

In: Journal of Molecular Liquids, Vol. 248, 01.12.2017, p. 378-390.

Research output: Contribution to journalArticle

Ghaedi, Hosein ; Ayoub, Muhammad ; Sufian, Suriati ; Shariff, Azmi Mohd ; Murshid, Gulam ; Hailegiorgis, Sintayehu Mekuria ; Khan, Saleem Nawaz. / Density, excess and limiting properties of (water and deep eutectic solvent) systems at temperatures from 293.15 K to 343.15 K. In: Journal of Molecular Liquids. 2017 ; Vol. 248. pp. 378-390.
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