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How are chemicals separated and tested for purity? - OCR 21st CenturyAudio

There are different ways to separate mixtures, for example by filtration, crystallisation, distillation or chromatography. The method chosen depends upon the type of mixture.

Part of Combined ScienceChemical analysis

Dr Sunayana Bhargava and Tulela Pea explore filtration, evaporation and crystallisation in this podcast.