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BSI BS ISO 18747-1:2018

Determination of particle density by sedimentation methods -- Isopycnic interpolation approach
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BSI BS ISO 18747-1:2018

Determination of particle density by sedimentation methods -- Isopycnic interpolation approach

PUBLISH DATE 2018
PAGES 36
BSI BS ISO 18747-1:2018

This document 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.

SDO BSI: British Standards Institution
Document Number ISO 18747-1
Publication Date April 6, 2018
Language en - English
Page Count
Revision Level
Supercedes
Committee LBI/37
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