ISO 802:1976

Aluminium oxide primarily used for the production of aluminium — Preparation and storage of test samples

Specifies the preparation of laboratory samples, crude samples for the determination of certain geometric properties and physical and pysico-chemical tests including the determination of moisture content and dried samples. The principle consists in grinding and sieving of the sample until passing completely through a sieve of meshes having apertures of 0,2 mm. Mixing and drying at about 300 °C. Replaces ISO Recommendation R 802-1968.