Mechanism of tetrahydrofuran separation from water by stearic acid

B Bartokova, T Laredo, AG Marangoni… - Journal of Molecular …, 2023 - Elsevier
Stearic acid separates tetrahydrofuran (THF) and water into either bulk phase or emulsions,
above 30% THF (relative to water, v/v). The oxygen on the THF ring interacts with either …

Solubility and thermodynamic analysis of ketoprofen in organic solvents

R Soto, M Svärd, V Verma, L Padrela, K Ryan… - International Journal of …, 2020 - Elsevier
The solubility of the racemic solid phase of ketoprofen (KTP) in methanol, ethanol,
isopropanol, butanol, acetonitrile, ethyl acetate, 1, 4-dioxane and toluene has been …

Correlation of Dielectric Properties with Structure and H-Bonding for Liquids

EL Bennett, I Calisir, X Yang, Y Huang… - The Journal of Physical …, 2023 - ACS Publications
A study focused on the correlation among dielectric properties, molecular structure, and H-
bonding is presented using liquid formamides with increasing carbon chain lengths as a …

Hydrogen bond interactions in the binary solutions of formamide with methanol: FTIR spectroscopic and theoretical studies

PP Kannan, NK Karthick, G Arivazhagan - Spectrochimica Acta Part A …, 2020 - Elsevier
FTIR spectroscopic studies on the binary solutions of formamide with methanol reveal the
presence of “free” O− H in methanol. These “free” O− H groups are found in methanol …

Removal of zinc from basic oxygen steelmaking filter cake by selective leaching with butyric acid

J Wang, Z Wang, Z Zhang, G Zhang - Journal of Cleaner Production, 2019 - Elsevier
Steelmaking dust is a hazardous waste material containing leachable compounds of lead,
cadmium, and other environmentally harmful elements. The recycling is hindered by its high …

Time domain reflectometric and spectroscopic studies on toluene+ butyronitrile solution

NK Karthick, G Arivazhagan, AC Kumbharkhane… - Journal of Molecular …, 2016 - Elsevier
The dielectric parameters of toluene+ butyronitrile solution have been obtained by time
domain reflectometry (TDR) technique in the frequency range from 10 MHz to 30 GHz at 298 …

Intermolecular forces in acetonitrile+ ethanol binary liquid mixtures

A Elangovan, R Shanmugam, G Arivazhagan… - Chemical Physics …, 2015 - Elsevier
FTIR spectral measurements have been carried out on the binary mixtures of acetonitrile
with ethanol at 1: 0 (acetonitrile: ethanol), 1: 1, 1: 2, 1: 3 and 0: 1 at room temperature. DFT …

Spectroscopic studies, NBO analysis and dielectric studies on the behaviour of acetone molecules in non-polar solvent environment

G Arivazhagan, A Elangovan, R Shanmugam… - Chemical Physics …, 2015 - Elsevier
The behaviour of acetone molecules in the presence of cyclohexane has been investigated
by spectroscopic (FTIR, 13 C NMR and UV–vis) studies, NBO analysis and dielectric studies …

FTIR spectral signatures of formamide+ propionic/acetic acid solutions

T Sangeetha, SP Naganandhini, R Shanmugam… - Journal of Solution …, 2022 - Springer
Hydrogen bond interactions present in formamide (FMD)+ propionic acid (PA) and
formamide+ acetic acid (AA) binary solutions at various molar concentrations have been …

Dielectric, FT-IR and UV–vis spectroscopic studies on the fluid structure of diisopropyl ether–caprylic acid mixture

G Arivazhagan, R Shanmugam… - Journal of Molecular …, 2011 - Elsevier
Using experimental dielectric data, the structure probing parameters such as Kirkwood-
correlation factor, excess permittivity and excess Gibb's free energy of mixing for the binary …