This document specifies an in situ method for the determination of the density of solid particles or liquid droplets (herein referred to as "particle") dispersed in liquid continuous phase. The method is based on direct experimental determination of particle velocity in these liquids or media in gravitational or centrifugal fields based on Stokes law. The particle density is calculated from experimentally determined particle velocities in different liquids or media, taking into account their dynamic viscosities and densities, respectively. The approach does not require the knowledge of particle size distribution but assumes that sedimentation relevant characteristics (e.g. volume, shape, agglomeration state) do not change. This document does not consider polydispersity with regard to particle density, i.e. all particles are assumed to be of the same material composition.

Cross References:
ISO 14887
ISO/TR 13097:2013
JCGM 110:2008
ASTM D3766 - 08(2013)
ISO 3105:1994
ISO 13318-2:2007
ISO 2811-3:2011
ISO 13322-2:2006
ISO 13317-1:2001
ISO 13318-1:2001
ISO 20998-1:2006
ISO 26824:2013
ISO 13322-1:2014
ISO 18747-1:2018


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