Revised Standard from Last Update.

1. SCOPE

This standard covers three methods of air elutriation for quantitative determination of particle size distribution in sub-sieve range. The first method suitable for readily dispersed particles is used for particle size range 5 to 75 microns. The second method is suitable for poorly dispersed particles in the same size range. The third method is suitable for dealing with particles which are difficult to disperse and are in size range of 10 to 75 microns.

2. REFERENCES

The following standards contain provisions, which through reference in this text, constitute provisions of this standard. At the time of publication, the editions indicated were valid. All standards are subject to revision and parties to agreements based on this standard are encouraged to investigate the possibility of applying the most recent editions of the standard indicated below:

460 (Part 1) : 2020 Test sieves - Specification: Part 1 Wire cloth test sieves (fourth revision)

4124 : 1981 Glossary of terms relating to powders (first revision)