BS EN ISO 20427:2024 PDF

Pigments and extenders. Dispersion procedure for sedimentation-based particle sizing of suspended pigment or extender with liquid sedimentation methods

First page of standard BS EN ISO 20427:2024

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Title (English):

BS EN ISO 20427:2024

Pigments and extenders. Dispersion procedure for sedimentation-based particle sizing of suspended pigment or extender with liquid sedimentation methods

Document status:: Withdrawn
Format:: Electronic (PDF)
Publication date:: August 31, 2024
ICS:: 87.060.10
Technical committee:: CEN
SKU:: BS EN ISO 20427:2024

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Abstract

1 Scope 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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BS EN ISO 20427:2024 PDF

Abstract

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Abstract

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