Difference between revisions of "General Synthesis Techniques"
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<td style="text-align: center; width: 33%">[[Main_Page#Synthesis_and_Fabrication|Return to Research Tool Menu]]</td> | |||
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=== Thin Layer Chromatography === | |||
'''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 | |||
{{#ev:youtube|EUn2skAAjHk}} | |||
TLC Timelapse under UV | |||
{{#ev:youtube|gzp2S0e9o8s}} | |||
=== Column Chromatography === | |||
[[Image:Opvtestcells.png|thumb|300px| ]] | |||
{{#ev:youtube|6fzBJ8nuuzk}} | |||
=== Rotatvap === | |||
A '''rotovap''' is used to remove excess solvent from a solution. | |||
{{#ev:youtube|7c0XL-ZQn5I}} | |||
=== Extraction and washing - Workup === | |||
An '''extraction''' removes the desired compound from a mixture. | |||
A '''wash''' removes unwanted impurities from a mixture. "Keep the extract and trash the wash" | |||
{{#ev:youtube|ciWpS6SetdY}} | |||
=== Recyrstallization === | |||
{{#ev:youtube|Q47hTa1KvN0}} | |||
=== Simple distillation === | |||
{{#ev:youtube|GtuMlWMajtw}} | |||
=== Vacuum distillation === | |||
{{#ev:youtube|mn-u-7fRQv4}} | |||
=== 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] | ||
Latest revision as of 10:59, 13 March 2012
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Thin Layer Chromatography
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
TLC Timelapse under UV
Column Chromatography
Rotatvap
A rotovap is used to remove excess solvent from a solution.
Extraction and washing - Workup
An extraction removes the desired compound from a mixture. A wash removes unwanted impurities from a mixture. "Keep the extract and trash the wash"
Recyrstallization
Simple distillation