Question
Thu August 16, 2012 By: Anas
 

Ultra pure Germanium is required for using as semi conductor. Which method is used for refining Germanium ? Explain

Expert Reply
Fri August 17, 2012
Zone refining (Fractional crystallization) This process is used in the refining of Germanium. It is based on the property that when an impure molten metal is cooled gradually, only the pure crystals of the metals are formed. The impurities are left in the remaining part of the molten metal.  
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