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CGP EDU Academic Team
Published on: August 12, 2026
Zone refining is a method to obtain
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C
Zone refining is employed for preparing extremely pure metals.
It is based on the principle that when a molten solution of the impure metal is allowed to cool the pure metal crystallises out while the impurities remain in the melt. Ex : Semiconductors like Si, Ge and Ga are purified by this method.
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