Separation Techniques

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  • Created by: Tom
  • Created on: 17-02-13 18:22
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  • Separation Techniques
    • Solid and liquid
      • Filtration
        • Residue
        • Filtrate
        • Sand and water
      • Centrifugation
        • Suspension of a solid in a liquid
          • Solid  forced  to bottom due to spinning
      • Evaporation
        • Salt and water
          • Salt should not be evaporated to dryness- chemical decomposition
    • Miscible liquids
      • Simple distillation
        • Boiling points only 10 degrees seperation
        • Anti-bump granules added to ensure smooth boiling
        • Water and copper sulphate
      • Fractional distillation
        • Close boiling points
          • Ethanol and water
            • First fraction = ethanol
            • Second fraction = water
        • Industry
          • Oxygen and nitrogen in liquid air
          • Crude oil- petrol and diesol
    • Immiscible liquids
      • Separating funnel
        • Ethanol and water
          • Less dense liquid floats
    • Dissolde solutes in a solvent
      • Chromatography
        • Placed in water
        • Chromatogram
    • Solids
      • Sublimation
        • NaCl and Iodine
        • Iodine sublimes and is scraped off funnel
      • Magnetism

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