Method for determining electric properties of particles in liquids by means of combined electroacoustic and complex conductivity measurement
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United States of America Patent
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Jul 5, 2005
Grant Date -
Nov 25, 2004
app pub date -
May 19, 2003
filing date -
May 19, 2003
priority date (Note) -
Expired
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Abstract
A method is described which applies the combination of Electroacoustic and Complex Conductivity measurements to characterize particle electric surface properties, such as ζ-potential, and bulk properties, such as the dielectric permittivity, in systems where conductivity data is required for applying an appropriate theoretical model for calculating output parameters from the measured data. In particular, this is important in low conducting systems for which the double layer thickness exceeds the particle radius or in the systems where particles have either high bulk dielectric permittivity or high conductivity.
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