ISO 13317-1:2001

Determination of particle size distribution by gravitational liquid sedimentation methods -- Part 1: General principles and guidelines

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This part of ISO 13317 covers methods for determining the particle size distributions of particulate materials,
typically in the size range 0,5 mym to 100 mym, by gravitational sedimentation in a liquid.
NOTE – This part of ISO 13317 may involve hazardous materials, operations and equipment. This part of ISO 13317 does
not purport to address all the safety problems associated with its use. It is the responsibility of the user of this part of ISO 13317
to establish appropriate safety and health practices and to determine the applicability of the regulatory limitations prior to its use.
The methods of determining the particle size distribution described in this part of ISO 13317 are applicable to
slurries or to particulate materials which can be dispersed in liquids. A positive density difference between the
discrete and continuous phases is necessary, although gravitational photosedimentation can be used for emulsions
where the droplets are less dense than the liquid in which they are dispersed. Particles should not undergo any
physical or chemical change in the suspending liquid. The usual precautions need to be taken with hazardous
material, and explosion proof analysers are required when examining volatile liquids with a low flash point.

Number of pages: 0

International relationships :

ICS: 19.120 - Particle size analysis. Sieving

Item number: M128555



  • ISO/TC 24/SC 4
  • ISO/TC 24/SC 4/WG 2

Danish committee