Aluminium oxide used for the production of primary aluminium. Determination of attrition index Ingestion-build-134498 BS EN 61922 is an

BS EN 61922 is an International Standard is applicable to industrial radio- or high-frequency induction heating installations used for the purpose of thermal applications (e

the contact wire displacements

commercial and light-industrial environments

care should be taken that the maximum size of the electric hair care appliance under test fulfils the requirements specified in 1

BS EN 1981:2003 supersedes BS EN 1981:1998 which is withdrawn

Aluminium oxide used for the production of primary aluminium. Determination of attrition index Ingestion-build-134498 BS EN 61922 is an1 Scope This International Standard specifies a procedure for the determination of the attrition index of smelter grade alumina.