Carbonaceous materials for the production of aluminium - Calcined coke for electrodes - Determination of the electrical resistivity of granules

This standard provides a method for determining the particle resistivity of calcined carbon materials used as electrodes in aluminum production. It outlines the procedures, equipment, and conditions necessary to ensure consistent and accurate measurements. The method is applicable to materials that are commonly used in the industry and specifies the parameters that should be considered during testing. The standard ensures that the measurement process is standardized, allowing for reliable comparisons between different materials and batches. It covers the preparation of samples, the setup of testing equipment, and the calculation of resistivity values. The information provided is intended to guide users in obtaining precise and reproducible results.