Chemistry Practical Techniques Recrystallisation, including

This flash video outlines and explains how an organic solid is purified using recrystallisation. Hot filtration, to remove insoluble impurities, is also included. It explains why the product itself needs to be dissolved (to release the... This flash video outlines and explains how an organic solid is purified using recrystallisation. Hot filtration, to remove insoluble impurities, is also included. It explains why the product itself needs to be dissolved (to release the impurities trapped within its microscopic structure. It explains why the minimum volume of hot solvent should be used to reduce losses of the product. It concludes by looking at the cooling, isolation and further purification procedures involved.
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