Difference between revisions of "General Synthesis Techniques"
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Recyrstallization | Recyrstallization | ||
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Simple distillation | |||
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Vacuum distillation | |||
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=== External Links === | === External Links === | ||
*[http://chem.chem.rochester.edu/~nvd/ Not Voodoo - Demystifying Synthetic Organic Laboratory Technique] | *[http://chem.chem.rochester.edu/~nvd/ Not Voodoo - Demystifying Synthetic Organic Laboratory Technique] | ||
Revision as of 14:21, 8 September 2011
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Overview
Significance
An extraction removes the desired compound from a mixture.
A wash removes unwanted impurities from a mixture. "Keep the extract and trash the wash"
Thin layer chromotography (TLC) is used to identify the composition of a small amount of sample and to help with choosing solvent systems for an extraction or chromotography.
A rotovap is used to remove excess solvent from a solution.
Procedure
Thin Layer Chromatography
TLC Timelapse under UV
Column Chromatography
Rotatvap
Extraction and washing - Workup
Recyrstallization
Simple distillation
Vacuum distillation