Vapour phase refining

7/8/2015 CBSE


Vapour phase refining


Vapour phase refining is the process of refining metal by converting it into its
volatile compound and then, decomposing it to obtain a pure metal. To carry out
this process,



(i) the
metal should form a volatile compound with an available reagent, and



(ii) the
volatile compound should be easily decomposable so that the metal can be easily
recovered.



Nickel, zirconium, and titanium are refined using this method.




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