Standards

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.

Filter Testing

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 Calibrating 200mm (8") ⌀ Sieves

Standards for 200mm 8 diameter

Standards for Calibrating 100mm (4") ⌀ Sieves

Standards for 100mm 4 diameter

Monodisperse Standards

Ultra-narrow size distribution glass microspheresOnly a few microns separating many gradesTraceable to international standards - NIST NPLThe widest

General Purpose Glass Microspheres

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

Silica Microspheres

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.

Image Analysis Standards

Ultra-narrow size distribution glass microspheres. Only a few microns separating many grades. Traceable to international standards - NIST NPLThe widest

Opaque Polydisperse Standards

Most particle size reference standards are transparent in nature including glass and latex microspheres However in some optically based particle

Polydisperse Particle Standards

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).

ISO17025 compliant

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Y.K Japan

I called Whitehouse Scientific directly from the USA and I got my standards in 2 days at the price I was quoted.

Fantastic Service!

M.D USA

We are always satified with your business.

Y.K Japan

We are always satified with your business.

Y.K Japan