Standard

NS-EN ISO 20427:2024

Published

Corrigendums and amendments are bought separately.

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Abstract

This document specifies sample preparation methods to determine the size distribution of separate particles of a single pigment or extender, which is dispersed in a liquid by application of a standardized dispersion procedure, using an ultrasonic device, shaker device or wet jet mill.The sample preparation methods described are optimized for measurements carried out with a particle sizing technique based on sedimentation. This technique relies on particle migration due to gravitation or centrifugal forces and requires a density contrast between the particles and the liquid phase.

Document information

  • Standard from SN
  • Published:
  • Edition: 2024-08
  • Version: 1
  • Document type: NAT
  • ICS 87.060.10
  • National Committee SN/K 51

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