METHOD FOR REMOVAL OF ALKALINE METALS AND ALKALINE EARTH METALS,ESPECIALLY SODIUM AND CALCIUM CONTAINED IN LIGHT ALLOYS BASED ON ALUMINIUM

摘要

The invention relates to a preparation of aluminum and its alloys for purification by utilizing a flux composition of MgCl2 and KCl to substantially remove alkali and alkaline earth metals, such as, Ca and Na, from the formulation of an aluminum preparation.