Gas Chromatography

Essay specific features

 

Issue:

Science

 

Written by:

Mitchell W

 

Date added:

November 23, 2016

 

Level:

University

 

Grade:

A

 

No of pages / words:

6 / 1403

 

Was viewed:

2815 times

 

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Essay content:

Chromatography measures the tendency of a substance to interact with the surface of a solid or to remain in a mobile phase. When doing a chromatography lab the mobile phase has to be a substance that is either in a liquid or a gas state. In this lab the mobile phase was a gas, which is why this is called a gas chromatography lab...
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The different gases tested in this lab were CHCl3 and CH2Cl2. It is determined to what extent a gas interacts with the solid by injecting a known amount of the mobile gas into the carrier gas and then measuring the concentration that comes out at the end of the column. From this there was a detector that transferred the information to a computer were it was graphed...
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