What is the principle behind the zone refining of metals?
Write the principles of Zone refining Methods
The technique of zone refining is based on the principle that the impurities are more soluble in the molten state of metal than in the solid state.
Zone refining: This method is used for producing metal of high purity. Metal like germanium, gallium and indium are prepared by this method. This method is based on the principle that impurities are more soluble in melt than in the solid state of the metal.