Measuring probe, measuring instrument and method for determining the physical stability of emulsions and dispersions
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United States of America Patent
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Aug 5, 2003
Grant Date -
Aug 1, 2002
app pub date -
Jan 30, 2001
filing date -
Jan 30, 2001
priority date (Note) -
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Abstract
A measuring probe for determining the physical stability of emulsions and dispersions, is constructed from a rod comprising a material which is electrically nonconductive at least on the rod surface. The rod carries at least two conductivity-measurement electrodes separated from one another along the rod. These electrodes are separately supplied with electricity via the interior of the rod at one rod end. A method for determining the physical stability of emulsions and suspensions involves placing an emulsion or dispersion a sample container, immersing a measuring probe in the filled sample container, and measuring the conductivity of the emulsion or dispersion continuously or at intervals over a given period of time using the conductivity-measurement electrodes.
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