3-30um Polydisperse Standards

£ 72.50 GBP

10 bottles per set. Available in 6 different weight options.

Operating Requirements

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Learn to enjoy every minute of your life. Be happy now. Don't wait for something outside of yourself to make you happy in the future. Think how really precious is the time you have to spend, whether it's at work or with your family. Every minute should be enjoyed and savored.

Full Description

Background

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).

The 'Mirror' Standards were made both to assess the performance of the analytical laboratories and to augment a limited supply of the official standards. Although sub-divided, the BCR samples were never certified, which leaves these new Polydisperse Particle Standards as the most comprehensively analysed set of spherical particle size reference standards available.

  • Traceability through NIST, BCR and NPL standards
  • Calibration for any method of particle size analysis
  • One of the largest international teams ever assembled
  • Unambiguous primary methods used - microscopy, sieving, sedimentation and the Coulter method

DISPERSION NOTES:
Samples dispersed for 5 minutes in an ultrasonic bath using a 0.1% deionised aqueous solution of sodium hexametaphosphate.

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