WHAT IS VAN ARKEL METHOD FOR REFINING ZIRCONIUM OR TITANIUM??? PLZZZ ANSER IT ...........
The method is described by another expert at:
The reactions occurring are:
Crude metal is heated with iodine in an evacuated vessel to separate from impurities:
Ti + 2I2 ------> TiI4
this decomposes at 1800K to give Pure Ti metal and iodine.
TiI4 ----------> Ti + 2I2