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BSI BS ISO 20998-3:2017

Measurement and characterization of particles by acoustic methods -- Guidelines for non-linear theory
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BSI BS ISO 20998-3:2017

Measurement and characterization of particles by acoustic methods -- Guidelines for non-linear theory

PUBLISH DATE 2017
PAGES 34
BSI BS ISO 20998-3:2017

This document gives guidelines for ultrasonic attenuation spectroscopy methods for determining the size distributions of one or more material phases dispersed in a liquid at high concentrations, where the ultrasonic attenuation spectrum is not a linear function of the particle volume fraction. In this regime, particle-particle interactions are not negligible.

This document is applicable to colloids, dispersions, slurries, and emulsions. The typical particle size for such analysis ranges from 10 nm to 3 mm, although particles outside this range have also been successfully measured. Measurements can be made for concentrations of the dispersed phase ranging from about 5 % by volume to over 50 % by volume, depending on the density contrast between the continuous and the dispersed phases, the particle size, and the frequency range[ 9 ] [ 10 ]. These ultrasonic methods can be used to monitor dynamic changes in the size distribution, including agglomeration or flocculation.

SDO BSI: British Standards Institution
Document Number ISO 20998-3
Publication Date June 28, 2017
Language en - English
Page Count 34
Revision Level
Supercedes
Committee LBI/37
Publish Date Document Id Type View
June 28, 2017 BS ISO 20998-3:2017 Revision