Whitehouse Scientific has been producing precision glass microspheres for calibration for over 35 years and is the highest ranking European certification laboratory for primary methods of particle size analysis.
The references, nearly all NIST traceable range in size from 0.1µm to 5.0mm and are available as single sizes or broad distribution standards.
Whitehouse Scientific has been at the forefront of Filter Testing for over 35 years.
Testing ranges from 2 microns up to 2 mm.
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Standards for 200mm 8 diameter
Standards for 100mm 4 diameter
Ultra-narrow size distribution glass microspheresOnly a few microns separating many gradesTraceable to international standards - NIST NPLThe widest
Very narrow size distribution Silica beads ranging in size from 1 5 - 10 microns Although this product is not certified we include a table of data
Very narrow size distribution Silica beads ranging in size from 1.5 - 10 microns Although this product is not certified we include a table of data.
Ultra-narrow size distribution glass microspheres. Only a few microns separating many grades. Traceable to international standards - NIST NPLThe widest
Most particle size reference standards are transparent in nature including glass and latex microspheres However in some optically based particle
The Polydisperse Particle Standards were formally known as the BCR 'Mirror' Standards because they mirrored the size ranges of an official set of spherical reference standards that were being developed for the European Community (Community Bureau of Reference - BCR).
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