Gas Chromatography - C2
- Created by: chickpeatweet
- Created on: 06-04-14 18:56
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Analysing Substances - Gas Chromatography
1. Sample vapourised and passed through a column (more like a tube)
2. A gas - like nitrogen because it is unreactive - will carry the sample through the column
3. In the column, the chemicals are carried through the column at different speeds
The amount of time a substance stays in the column is called the retention time
4. A detector detects the different…
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