Difference between revisions of "General Synthesis Techniques"
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=== Significance === | === Significance === | ||
An extraction removes the desired compound from a mixture. | An '''extraction''' removes the desired compound from a mixture. | ||
A wash removes unwanted impurities from a mixture. "Keep the extract and trash the wash" | 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. | '''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. | A '''rotovap''' is used to remove excess solvent from a solution. | ||
=== Procedure === | === Procedure === | ||
Revision as of 10:41, 7 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