eprintid: 2217
rev_number: 2
eprint_status: archive
userid: 1
dir: disk0/00/00/22/17
datestamp: 2023-11-09 15:50:25
lastmod: 2023-11-09 15:50:25
status_changed: 2023-11-09 15:42:16
type: article
metadata_visibility: show
creators_name: Kurnia, K.A.
creators_name: Taib, M.M.
creators_name: Abdul Mutalib, M.I.
creators_name: Murugesan, T.
title: Densities, refractive indices and excess molar volumes for binary mixtures of protic ionic liquids with methanol at T = 293.15 to 313.15 K
ispublished: pub
keywords: Binary systems; Coefficients of thermal expansions; Density; Excess molar volumes; Experimental data; Lorentz; Mole fraction; Protic ionic liquids; Redlich- Kister equation; Temperature range, Atmospheric pressure; Atmospheric temperature; Density of liquids; Ionic liquids; Ions; Light refraction; Methanol; Organic polymers; Refractive index; Refractometers; Thermal expansion; Volatile fatty acids; Volume measurement, Binary mixtures
note: cited By 55
abstract: Densities and refractive indices for the binary mixtures involving four different Protic Ionic Liquids (PILs) namely (2-Hydroxyethanaminium formate HEF + methanol), (2-Hydroxyethanaminium acetate HEA + methanol), (2-Hydroxyethanaminium propionate HEP + methanol), and (2-Hydroxyethanaminium lactate HEL + methanol) have been measured at the temperature range from 293.15 to 313.15 K and at atmospheric pressure. The excess molar volumes V E, refractive index deviations �nD for these binary mixtures were calculated and correlated using Redlich-Kister equation. The coefficients of thermal expansion α, were also calculated from these experimental data. The values of VE are negative for the entire mole fraction range covered for all these binary mixtures and increased with temperature, whereas the values of �nD are positive and also increased with temperature. The measured refractive indices were compared with those predicted using the Lorentz-Lorenz, Gladstone-Dale, and Eykman equations and a satisfactory agreement was found for all the binary systems (PILs + methanol) studied in the present work. © 2011 Elsevier B.V.
date: 2011
official_url: https://www.scopus.com/inward/record.uri?eid=2-s2.0-79952630435&doi=10.1016%2fj.molliq.2011.01.005&partnerID=40&md5=dbb0c12f8033919b81125917d666fff3
id_number: 10.1016/j.molliq.2011.01.005
full_text_status: none
publication: Journal of Molecular Liquids
volume: 159
number: 3
pagerange: 211-219
refereed: TRUE
issn: 01677322
citation:   Kurnia, K.A. and Taib, M.M. and Abdul Mutalib, M.I. and Murugesan, T.  (2011) Densities, refractive indices and excess molar volumes for binary mixtures of protic ionic liquids with methanol at T = 293.15 to 313.15 K.  Journal of Molecular Liquids, 159 (3).  pp. 211-219.  ISSN 01677322