40.99 Full report circulated: DIS approved for registration as FDIS Sep 10, 2026
ISO
ISO/TC 281 Fine bubble technology
International Standard
07.030 Physics. Chemistry
This document specifies the evaluation method for the size index of microbubbles in microbubble dispersion. It is only applicable to microbubbles with or without shell in water within the range from 1 μm to 100 μm. It describes the sampling methods from the point generating or dispersing microbubbles in the retention container to the detecting point of the measuring instruments.
PUBLISHED
ISO 21910-1:2020
IN_DEVELOPMENT
ISO/DIS 21910-1
40.99
Full report circulated: DIS approved for registration as FDIS
Sep 10, 2026