Aluminium oxide used for the production of aluminium. Determination of particles passing a 20 micrometre aperture sieve

Aluminium oxide used for the production of aluminium. Determination of particles passing a 20 micrometre aperture sieve

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1   Scope

This International Standard sets out a wet-sieving procedure for the determination of the percentage by mass of particles of smelter-grade alumina passing a 20 µm aperture sieve.
This procedure is applicable for aluminas with a −20 µm content up to 4 %.