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ISO 20427:2023

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

Üldinfo
Kehtiv alates 21.11.2023
Tegevusala (ICS grupid)
87.060.10 Pigmendid
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Standardi ajalugu

Staatus
Kuupäev
Tüüp
Nimetus
21.11.2023
Põhitekst
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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