Standards

Specific certificates cannot be reissued.

‍It is against our Quality Policy as we cannot guarantee how the standards have been stored once leaving our facility. We would recommend making a photocopy/scanning the certificate upon receipt to avoid issues if lost. However reference copies of our Certificates can be downloaded from our Certificate Bank.​​​​​​​

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).

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Opaque Polydisperse Standards

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

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Monodisperse Standards

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

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Sieve Standards

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Image Analysis Standards

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

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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.

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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

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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).

view all

Opaque Polydisperse Standards

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

view all

Monodisperse Standards

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

view all

Standards for Calibrating 100mm (4") ⌀ Sieves

Standards for 100mm 4 diameter

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Standards for Calibrating 200mm (8") ⌀ Sieves

Standards for 200mm 8 diameter

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Image Analysis Standards

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

view all

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.

view all

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

view all

Products

Standards for Calibrating 200mm (8") ⌀ Sieves
Standards for Calibrating 100mm (4") ⌀ Sieves
Monodisperse Standards
General Purpose Glass Microspheres
Silica Microspheres
Image Analysis Standards
Opaque Polydisperse Standards
Polydisperse Particle Standards

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Registered Office:
Whitehouse Scientific Ltd
‍
The Old Smithy
Whitchurch Road, Waverton, Chester CH3 7PB, UK

Office:  +44 (0) 1244 332626,

Email: info@whitehousescientific.com

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