ISO 20927:2019

Published (Edition 1, 2019)

This publication was last reviewed and confirmed in 2024. Therefore this version remains current.

ISO 20927:2019

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Abstract

This document specifies a general method for determining the aggregate size distribution (ASD) of silica by using a disc centrifuge according to the principle of sedimentation. As pre-stage the silica is de-agglomerated in water using strong ultrasonic power treatment.

The method is used for precipitated silica.

General information

Status
: Published

Publication date
: 2019-10

Stage
: International Standard confirmed [90.93]
Edition
: 1

Number of pages
: 14
Technical Committee :
ISO/TC 45/SC 3

ICS :
83.040.20
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