Bergeron, D.
(2014),
Identification of phase boundaries in surfactant solutions via Compton spectrum quenching,Identification of phase boundaries in surfactant solutions via Compton spectrum quenching, Journal of Physical Chemistry A, [online], https://doi.org/10.1021/jp502540n
(Accessed March 13, 2025)
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Identification of phase boundaries in surfactant solutions via Compton spectrum quenching,Identification of phase boundaries in surfactant solutions via Compton spectrum quenching
Published
Author(s)
Abstract
The critical micelle concentration and the phase boundary between isolated surfactant molecules and aggregates are probed via fluorescence spectroscopy and a Compton spectrum quenching technique for aqueous and toluenic solutions of Triton X-100 (TX-100). The internal fluorophore of TX-100 provides a convenient probe for the fluorescence measurements, and the appearance of redder bands in the fluorescence spectra and their relationship with aggregation (clustering of TX-100) phenomena is addressed. The Compton spectrum quenching approach makes use of quench indicating parameters (QIPs) commonly measured in liquid scintillation counting experiments. Phase boundaries identified by the QIP-based approach are in excellent accord with the fluorescence-based approach.Citation
Journal of Physical Chemistry A
Volume
118
Pub Type
Journals
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Keywords
Reverse micelle, micellar phase boundary, liquid scintillation counting, counting efficiency, radioactivity standard
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Created September 18, 2014, Updated November 10, 2018