Abstract
Mutual diffusion coefficients of several short chain alcohols (ethanol, n-propanol and n-butanol) + n-octane mixtures in the temperature range from 283.2 K to 313.2 K at different concentrations were measured using holographic interferometry. The relation between the mutual diffusion coefficient with temperature, viscosity, concentration and molecular weight is investigated, respectively. The Onsager-Fuoss model is applied to analyse the various influence factors. A new correlation taking into account the effect of the temperature and concentration on the mutual diffusion coefficient is proposed to fit well the experimental data.
| Original language | English |
|---|---|
| Pages (from-to) | 1-7 |
| Number of pages | 7 |
| Journal | Thermochimica Acta |
| Volume | 624 |
| DOIs | |
| State | Published - 20 Jan 2016 |
Keywords
- Cosolvent
- Holographic interferometry
- Mutual diffusion coefficient
- Short chain alcohols
- n-Octane
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