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Cooperative dynamics of didodecyldimethylammonium bromide / water / n-dodecane microemulsions: a dielectric relaxation study

URN to cite this document: urn:nbn:de:bvb:355-opus-9139

Wachter, Wolfgang (2008) Cooperative dynamics of didodecyldimethylammonium bromide / water / n-dodecane microemulsions: a dielectric relaxation study. PhD, Universität Regensburg

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Abstract (English)

A systematic study of the dielectric relaxation spectra of W/O (water-in-oil) microemulsions composed of didodecyldimethylammonium bromide (DDAB), water (W) and n-dodecane (D) has been made over the whole stability region in the phase diagram and over a wide range of frequencies (0.005 < nu/GHz < 89) at 25 °C. The spectra were best described by a superposition of six or five Debye processes, ...

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Translation of the abstract (German)

Die dielektrischen Relaxationsspektren der W/O (Wasser-in-Öl)-Mikroemulsionen aus Didodecyldimethylammoniumbromid (DDAB), Wasser (W) und n-Dodecan (D) wurden in der gesamten Stabilitätsregion des Phasendiagramms über einen weiten Frequenzbereich (0.005 < nu/GHz < 89) bei 25 °C systematisch untersucht. Eine Überlagerung aus sechs bzw. fünf Debye-Prozessen, je nach Lage der Probe im Phasendiagramm, ...

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Export bibliographical data

Item Type:Thesis of the University of Regensburg (PhD)
Date:18 February 2008
Referee:Richard (apl. Prof. Dr.) Buchner
Date of exam:19 December 2007
Institutions:Chemistry and Pharmacy > Institut für Physikalische und Theoretische Chemie > Chair of Chemistry VI - Physical Chemistry (Solution Chemistry) > PD Dr. Richard Buchner
Classification:
NotationType
61.25.H-PACS
64.60.ahPACS
77.22.-dPACS
77.22.GmPACS
68.05.GhPACS
Keywords:Mikroemulsion , Dielektrische Relaxation , Alkylgruppe , Bromide , Dodecan , Wasser , Quartäre Ammmoniumverbindungen , Dielektrische Relaxationsspektroskopie , Fremdioneneffekt , kooperative Dynamik , microemulsion , dielectric relaxation spectroscopy , co-ion effect , cooperative dynamics , confinement
Subjects:500 Science > 540 Chemistry & allied sciences
Status:Published
Refereed:Yes, this version has been refereed
Created at the University of Regensburg:Yes
Owner: Universitätsbibliothek Regensburg
Deposited On:27 Oct 2009 16:20
Last Modified:13 Mar 2014 11:52
Item ID:10709
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