Gorenflo, S. and Tauer, U. and Hinkov, I. and Buchner, Richard and Helm, H. (2006) Dielectric properties of oil-water complexes using terahertz transmission spectroscopy. Chemical Physics Letters 421 (4-6), pp. 494-498.
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Terahertz time-domain spectroscopy (THz-TDS) is used to investigate the water content in synthetic lubricating oils. Water was added to polyglycol oils, which are able to dissolve a certain percentage of water. Applying THz-TDS, changes in the absorption coeff. and refractive index are obsd. and characterized. Comparison of the exptl. data with predictions based on Beer-Lambert and Lorentz-Lorenz-theory, resp., exhibited excellent agreement and clearly indicated that water is not dissolved in form of clusters but rather via hydrogen-bonded oil-water complexes.
|Institutions:||Chemistry and Pharmacy > Institut für Physikalische und Theoretische Chemie > Chair of Chemistry VI - Physical Chemistry (Solution Chemistry) > PD Dr. Richard Buchner|
|Keywords:||dielec property water glycol lubricating oil terahertz spectroscopy synthetic base lubricating oil water far IR spectroscopy|
|Subjects:||500 Science > 540 Chemistry & allied sciences|
|Refereed:||Yes, this version has been refereed|
|Created at the University of Regensburg:||Yes|
|Deposited On:||11 Jun 2012 09:04|
|Last Modified:||11 Jun 2012 09:04|