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 October 10, 2024)
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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
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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