BS ISO 18747-1:2018 ✓ Most Recent

BS ISO 18747-1:2018 specifies a method for the determination of the density of solid particles or liquid droplets (below referred to generically as "particles") dispersed in a liquid. The method is based on the fact that a particle wholly immersed in fluid experiences buoyancy equal to the weight of the fluid displaced by this particle (Archimedean principle), and if its mass force matches the buoyant force, it stops gravitational or centrifugal settling/creaming and the particle remains suspended. This implies that the density of the particle equals the density of the liquid. In this document, particle density determination is conducted by analysing the direction of the migration movement of particles dispersed in liquids with densities that are lower and higher than particle density. All particles are of the same material composition.


Cross References:
ISO 14887:2000
ASTM D3766-08
ISO 3105
ISO 20998-1
ISO 13318-1
ISO 26824
ISO 2811-3
ISO 13317-1
ISO 13318-2
ISO/TR 13097


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