Difference between revisions of "General Synthesis Techniques"

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<td style="text-align: center; width: 33%">[[Main_Page#Research Equipment, Devices and Techniques|Return to Research Tool Menu]]</td>
<td style="text-align: center; width: 33%">[[Main_Page#Synthesis_and_Fabrication|Return to Research Tool Menu]]</td>


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=== Overview ===


=== 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}}


=== Significance ===
TLC Timelapse under UV
An extraction removes the desired compound from a mixture.
{{#ev:youtube|gzp2S0e9o8s}} 


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.
=== Column Chromatography ===
[[Image:Opvtestcells.png|thumb|300px| ]]
{{#ev:youtube|6fzBJ8nuuzk}}


A rotovap is used to remove excess solvent from a solution.


=== Procedure ===
=== Rotatvap ===
Thin Layer Chromatography
A '''rotovap''' is used to remove excess solvent from a solution.
{{#ev:youtube|EUn2skAAjHk}}  
{{#ev:youtube|7c0XL-ZQn5I}}  


Column Chromatography
=== Extraction and washing - Workup ===
{{#ev:youtube|6fzBJ8nuuzk}}
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}}  


Rotatvap
{{#ev:youtube|7c0XL-ZQn5I}}


Extraction and washing - Workup
=== Recyrstallization ===
{{#ev:youtube|ciWpS6SetdY}}


Recyrstallization
{{#ev:youtube|Q47hTa1KvN0}}
{{#ev:youtube|Q47hTa1KvN0}}
=== Simple distillation ===
{{#ev:youtube|GtuMlWMajtw}}
=== Vacuum distillation ===
{{#ev:youtube|mn-u-7fRQv4}}


=== 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]

Latest revision as of 11:59, 13 March 2012

Return to Research Tool Menu


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

Opvtestcells.png


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


Vacuum distillation

External Links