Objavljen
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.
OBJAVLJEN
ISO 20927:2019
90.93
Odluka o potvrđivanju standarda
14. 6. 2024.