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Micellar phase boundaries under the influence of ethyl alcohol

Published

Author(s)

Denis E. Bergeron

Abstract

The Compton spectrum quenching technique is used to monitor the effect of ethyl alcohol (EtOH) additions on phase boundaries in two systems. In toluenic solutions of the nonionic surfactant, Triton X-100, EtOH shifts the boundary separating the first clear phase from the first turbid phase to higher water:surfactant ratios. In a commonly used scintillant, Ultima Gold AB, the critical micelle concentration is not shifted. The molecular interactions behind the observations and implications for liquid scintillation counting are discussed.
Citation
Applied Radiation and Isotopes
Volume
109

Keywords

liquid scintillation counting, critical micelle concentration, ethanol, cocktail, microemulsion, reverse micelle

Citation

Bergeron, D. (2016), Micellar phase boundaries under the influence of ethyl alcohol, Applied Radiation and Isotopes, [online], https://tsapps.nist.gov/publication/get_pdf.cfm?pub_id=918032 (Accessed June 23, 2024)

Issues

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Created May 16, 2016, Updated February 19, 2017