Separation Techniques

Decant/filter/vacuum filtration
- A) Solid/nonpolar
- B)Liquid/polar
- *interchangeable
Distillation
- 2 liquids
- same polarity
- BP > 20 degrees apart
Sep Funnel
- 2 liquids
- 1) nonpolar
- 2) polar
column chromatography
- 2 liquids
- slight difference in polarity
washing out
- 2 solids
- 1)polar
- 2)nonpolar
recrystalization
- 2 solids
- slight differences in polarity
extraction

to obtain a pure liquid sample of the product after reflux
use of drying agent

removal of final traces of water after synthesis
Remove solvent

used after decant of drying agent to remove diethyl ether
TLC

to verify purity of sample
IR

shows purity of the product
Melting point

purity determination

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Card Set

Separation Techniques

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Separation techniques

Updated

2011-03-08T06:56:57Z

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