Understanding Refractive Index Changes in Homologous Series of Unbranched Organic Compounds Based on Beer's Law

TG Mayerhöfer, S Spange - ChemPhysChem, 2023 - Wiley Online Library
Abstract Changes of the refractive index for homologous series of hydrocarbons are usually
plotted versus the density. While there is a clear linear dependence for alkanes and alkenes …

Modeling tracer diffusion coefficients of any type of solutes in polar and non-polar dense solvents

B Zêzere, I Portugal, JRB Gomes, CM Silva - Materials, 2022 - mdpi.com
In this work, a simple two-parameters correlation based on the Rice and Gray, Lennard-
Jones, and Stockmayer theories was devised for the calculation of binary diffusion …

Predictive models for the binary diffusion coefficient at infinite dilution in polar and nonpolar fluids

JPS Aniceto, B Zêzere, CM Silva - Materials, 2021 - mdpi.com
Experimental diffusivities are scarcely available, though their knowledge is essential to
model rate-controlled processes. In this work various machine learning models to estimate …

Correlations for the prediction of the density and viscosity of 1-alcohols at high pressures

JJ Cano-Gómez, GA Iglesias-Silva… - Fluid Phase Equilibria, 2015 - Elsevier
We present a correlation for the 1-alcohols density at high pressure based upon the Tait
equation. The new equation includes a generalized correlation for the calculation of the …

[HTML][HTML] Diffusivities of linear unsaturated ketones and aldehydes in compressed liquid ethanol

B Zezere, S Buchgeister, S Faria, I Portugal… - Journal of Molecular …, 2022 - Elsevier
For the accurate design, optimization and simulation of chemical processes limited by mass
transfer kinetics it is important the knowledge of transport properties, namely, diffusion …

Determination of volumetric properties using refractive index measurements for nonpolar hydrocarbons and crude oils

F Wang, RF Evangelista, TJ Threatt… - Industrial & …, 2017 - ACS Publications
A novel method to evaluate volumetric properties, namely the thermal expansivity (α P) and
the isothermal compressibility (κ T) for nonpolar hydrocarbon systems using refractive index …

Prediction of dynamic viscosities of carbon dioxide–organic solvent mixtures with combined equation of state and Eyring theory

N Onodera, J Sakabe, T Funazukuri - The Journal of Supercritical Fluids, 2021 - Elsevier
This study proposes a method without adjustable parameters for predicting the viscosities of
CO 2 expanded alkane or 1-alkanol ((1.0–120) MPa,(298− 473) K) using the perturbed …

Diffusion of quercetin in compressed liquid ethyl acetate and ethanol

B Zêzere, J Iglesias, I Portugal, JRB Gomes… - Journal of Molecular …, 2021 - Elsevier
Supercritical fluids are alternatives to conventional harmful organic compounds. In the case
of supercritical fluid extraction, CO 2 is the most common solvent and can be …

Physicochemical properties of switchable-hydrophilicity solvent systems: N, N-Dimethylcyclohexylamine, water and carbon dioxide

J Wang, Y Du, C Du, A Xu, G Yao, H Zhao, X Zhu… - The Journal of Chemical …, 2019 - Elsevier
For switchable hydrophilicity solvent (SHS) systems (N, N-Dimethylcyclohexylamine
(DMCA), water, and carbon dioxide): the density, viscosity, refractive index and conductivity …

Methods investigation to determine optical constants of liquid based on transmittance and reflectance spectrum

Q Wang, X Hu, H Qi, D Li, G Wu - Optik, 2018 - Elsevier
The particle swarm optimization (PSO) was introduced to calculate optical constants of liquid
based on transmittance and reflectance spectrum. Two methods, namely as particle swarm …