ISO International Standard

Aluminium oxide primarily used for the production of aluminium — Determination of the fine particle size distribution (less than 60 mu/m) — Method using electroformed sieves

The particles in the range of 63 to 16 m are quantitatively separated by sieving in an aqueous solution of a dispersing agent. The sieves are square-aperture or round-aperture electroformed sieves, depending on their origin. Each sieved fraction is dried and weighed.

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