ISO 21687:2007Published

Carbonaceous materials used in the production of aluminium — Determination of density by gas pyknometry (volumetric) using helium as the analysis gas — Solid materials

Produits carbonés utilisés pour la production de l'aluminium — Détermination de la masse volumique vraie par la méthode pycnométrique gazeuse (volumétrique) utilisant de l'hélium comme gaz analytique- Matériaux solides

Abstract / scope

ISO 21687:2007 specifies a method for the determination of the density of green and calcined petroleum coke and similar solid materials (e.g. electrodes). ISO 21687:2007 is also suitable for hydrocarbons with a high-temperature boiling range and for other solid materials.

This method is not suitable for graphitized material.