Separation Techniques

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  1. Decant/filter/vacuum filtration
    • A) Solid/nonpolar
    • B)Liquid/polar
    • *interchangeable
  2. Distillation
    • 2 liquids
    • same polarity
    • BP > 20 degrees apart
  3. Sep Funnel
    • 2 liquids
    • 1) nonpolar
    • 2) polar
  4. column chromatography
    • 2 liquids
    • slight difference in polarity
  5. washing out
    • 2 solids
    • 1)polar
    • 2)nonpolar
  6. recrystalization
    • 2 solids
    • slight differences in polarity
  7. extraction
    to obtain a pure liquid sample of the product after reflux
  8. use of drying agent
    removal of final traces of water after synthesis
  9. Remove solvent
    used after decant of drying agent to remove diethyl ether
  10. TLC
    to verify purity of sample
  11. IR
    shows purity of the product
  12. Melting point
    purity determination
Author:
Anonymous
ID:
71525
Card Set:
Separation Techniques
Updated:
2011-03-08 06:56:57
Tags:
Organic Chemistry lab midterm separation techniques
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Separation techniques
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