Method of and apparatus for analyzing granular materials

Details Method of and apparatus for analyzing granular materials Method of and apparatus for analyzing granular materials

1990-08-30

1992-06-16

Wieder, Kenneth A.

Electricity: measuring and testing

Using ionization effects

For analysis of gas, vapor, or particles of matter

250283, 210 961, B01D 4900

Patent

active

051227525

ABSTRACT:
A method of and an apparatus for analyzing a granular material contained in a sample of a medium such as water produced by an ultra-pure water producing apparatus includes the steps of adding energy to granular materials contained in a sample which is mixed with the medium, wherein the energy is set to be lower than the breakdown threshold of the medium and to be higher than the breakdown threshold of the granular materials, detecting ions which are generated with the breakdown of the granular materials by using a pair of positive and negative electrodes; and analyzing characteristics of the granular materials based on the ions.

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