Under publication
ISO 25549
Fine bubble technology — Evaluation method for determining the shear viscosity of ultrafine bubble dispersions
Reference number
ISO 25549
Edition 1
© ISO 2026
Under publication
Under publication
Final production steps (up to seven weeks).

Abstract

This document specifies a method for evaluating the shear viscosity of fine bubble dispersions. Three measurement methods are adopted, namely parallel-plate rotational shear, cone-plate rotational shear and coaxial-cylinder rotational shear. The average effective shear viscosity of the fine bubble dispersion is calculated from the measured stress (or strain rate) and the strain rate (or stress) applied to the sample. These measurement methods are readily accessible in commercially available instruments.

General information

  • Status
     : Under development
    Stage
    : International Standard under publication [60.00]
  • Edition
     : 1
  • Technical Committee :
    ISO/TC 281
    ICS :
    07.030 
  • RSS updates

Life cycle

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This standard contributes to the following Sustainable Development Goals

1
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2
Zero Hunger
3
Good Health and Well-being
6
Clean Water and Sanitation
9
Industry, Innovation and Infrastructure
12
Responsible Consumption and Production
14
Life Below Water
15
Life on Land

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