Hlavní stránka>BS EN ISO 20427:2024 Pigments and extenders. Dispersion procedure for sedimentation-based particle sizing of suspended pigment or extender with liquid sedimentation methods
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sklademVydáno: 2024-08-30
BS EN ISO 20427:2024
Pigments and extenders. Dispersion procedure for sedimentation-based particle sizing of suspended pigment or extender with liquid sedimentation methods
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This standard BS EN ISO 20427:2024 Pigments and extenders. Dispersion procedure for sedimentation-based particle sizing of suspended pigment or extender with liquid sedimentation methods is classified in these ICS categories:
87.060.10 Pigments and extenders
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.
