BS ISO 21687:2007

This standard BS ISO 21687:2007 Carbonaceous materials used in the production of aluminium. Determination of density by gas pyknometry (volumetric) using helium as the analysis gas. Solid materials is classified in these ICS categories:

• 71.100.10 Materials for aluminium production

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

This method is not suitable for graphitized material.