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Homepage>BS EN ISO 20427:2024 Pigments and extenders. Dispersion procedure for sedimentation-based particle sizing of suspended pigment or extender with liquid sedimentation methods

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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Označení normy:	BS EN ISO 20427:2024
Počet stran:	30
Vydáno:	2024-08-30
ISBN:	978 0 539 30809 9
Status:	Standard

DESCRIPTION

BS EN ISO 20427:2024

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.

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