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ISO 901:1976Withdrawn

Aluminium oxide primarily used for the production of aluminium — Determination of absolute density — Pyknometer method

Oxyde d'aluminium principalement utilisé pour la production de l'aluminium — Détermination de la masse volumique — Méthode pycnométrique

Abstract / scope

Details the determination of the mass and volume of the pyknometer and the preparation of the xylene used as reagent. The measurement is carried out after degasifying the product under vacuum. The apparatus for degasifying under vacuum is shown in a figure. Replaces ISO Recommendation R 901/1968.