Wide frequency range dielectric spectroscopy (application to food materials)

Dielectric relaxation spectrometry (DRS) allows accurate determination of dipolar and other anomalous loss processes over more than nine decades of frequency. It thus fully characterises a single loss process and is capable of resolving processes if they are separated by several decades. Studies of...

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Bibliographic Details
Main Authors: Duncan, J.C., Marsh, R.D.L.
Format: Conference Proceeding
Language:English
Subjects:
Conductivity
Dielectric materials
Frequency measurement
Instruments
Loss measurement
Measurement standards
Organic materials
Spectroscopy
Temperature distribution
US Department of Transportation
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Summary:Dielectric relaxation spectrometry (DRS) allows accurate determination of dipolar and other anomalous loss processes over more than nine decades of frequency. It thus fully characterises a single loss process and is capable of resolving processes if they are separated by several decades. Studies of mobile/immobile ratios and phase morphology can be modelled to describe large anomalous dielectric relaxations which are not a property of each phase separately. The authors show that the application to the study of the structure of food stuffs is an outstanding opportunity for the dielectric relaxation spectroscopy.
DOI:10.1109/ICSD.1995.522989