InterviewSolution
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Writetheprincipleofthemethodusedforrefiningofgermanium. |
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Answer» SOLUTION :Germaniumisrefinedbythemethodcalled 'zone refining'.Itisbasedontheprinciple thatthe impuritiesaremoresolubleinthemoltenstate(MELT ) thanin thesolidstateofthemetal. Inother WORDS,whenthemeltofan impuremetalis allowedtocool,thepuremetalcrystallises outwhiletheimpuritiesremaininthe melt. |
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