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ISO 13317-4:2014

Determination of particle size distribution by gravitational liquid sedimentation methods - Part 4: Balance method

ISO 13317-4:2014 specifies the method for the determination of particle size distribution by the mass of particles settling under gravity in liquid. This method is based on a direct mass measurement and gives the mass distribution of equivalent spherical particle diameter. Typically, the gravitational liquid sedimentation method applies to samples in the 1 μm to 100 μm size range and where the sedimentation condition for particle Reynolds number less than 0,25 is satisfied.

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International Organization for Standardization [iso]

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