Measurement and characterization of particles by acoustic methods - Guidelines for linear theory Ingestion-build-143074 NOTE 2 The physical file

NOTE 2 The physical file used for exchanging the standard data is compliant with ISO 13584-42:1998

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air velocity

NOTE 1 Information on approved codes of practice and conductivities related to the cables in this standard is given in annex A

Measurement and characterization of particles by acoustic methods - Guidelines for linear theory Ingestion-build-143074 NOTE 2 The physical file1 Scope This part of ISO 20998 describes ultrasonic attenuation spectroscopy methods for determining the size distributions of a particulate phase dispersed in a liquid at dilute concentrations, where the ultrasonic attenuation spectrum is a linear function of the particle volume fraction. In this regime, particleparticle interactions are negligible. Colloids, dilute dispersions, and emulsions are within the scope of this part of ISO 20998. The