At Interphex 2005 (April 26-28; New York) Whitehouse Scientific will introduce a new range of narrow particle size distribution challenge microspheres for testing the efficiency of filters.
Starting at one micron, each grade of these glass microsphere standards is only a few microns in width. This means that they provide and extremely sensitive means of determining the maximum pore size of all types of filter media.
For pore sizes up to about 20 microns dilute suspensions are presented to the filter media and the particle sizes compared before and after the challenging process. Above 20 microns the test can be performed dry using sonic energy, with the pore size then simply read from a calibration graph.
A new range of standards for particle size image analyzers will also be introduced at the show.
Whitehouse Scientific
21 March 2005
Whitehouse Scientific launches new range
of filter testing standards at Interphex
At Interphex 2005 (April 26-28; New York) Whitehouse Scientific will introduce a new range of narrow particle size distribution challenge microspheres for testing the efficiency of filters.
Starting at one micron, each grade of these glass microsphere standards is only a few microns in width. This means that they provide and extremely sensitive means of determining the maximum pore size of all types of filter media.
For pore sizes up to about 20 microns dilute suspensions are presented to the filter media and the particle sizes compared before and after the challenging process. Above 20 microns the test can be performed dry using sonic energy, with the pore size then simply read from a calibration graph.
A new range of standards for particle size image analyzers will also be introduced at the show.
For more information, please visit:
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