Borrador del Comité
ISO/CD 20427
Pigments and extenders — Dispersion procedure for sedimentation-based particle sizing of suspended pigment or extender with liquid sedimentation methods
Reference number
ISO/CD 20427
ISO/CD 20427
Edition 2
© ISO 2024
Borrador del Comité
Resumen
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.
Informaciones generales
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Estado: En desarrolloEtapa: CD aprobado para su registro como DIS [30.99]
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Edición: 2
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Comité Técnico :ISO/TC 256
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Ciclo de vida
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Anteriormente
PublicadoISO 20427:2023
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Ahora
