ISO 20427:2023

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

Publication date: 21 nën 2023

General information

Current stage: 90.92 Effective date: 23 tet 2024

Originator: ISO

Owner: ISO/TC 256

Type: International Standard

ICS: 87.060.10

Gjuha: anglisht frëngjisht

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Statusi: Publikuar

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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.

Life cycle

NOW

PUBLISHED
ISO 20427:2023
90.92 Standard to be revised
23 tet 2024

REVISED BY

IN_DEVELOPMENT
ISO/DIS 20427

National adoptions

prSSH EN ISO 20427:2024

DPS

Pigmente dhe zgjerues - Procedura e shpërndarjes për madhësinë e grimcave të bazuara në sedimentim të pigmentit të pezulluar ose zgjeruesit me metoda të sedimentimit të lëngshëm (ISO 20427:2023)

40.60 Close of voting

DPS/KT 298 më tepër