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Questions and Answers
What is the purpose of gas chromatography?
What is the purpose of gas chromatography?
- To analyze non-volatile substances in a liquid mixture
- To combine volatile substances in a gaseous mixture
- To increase the volatility of substances in a gaseous mixture
- To separate volatile substances in a gaseous mixture (correct)
What moves through the column in gas chromatography?
What moves through the column in gas chromatography?
- Stationary phase
- Mobile phase (carrier gas) (correct)
- Liquid phase
- Sample materials
What is the stationary phase in gas solid chromatography (GSC)?
What is the stationary phase in gas solid chromatography (GSC)?
- Gas like CH4 or CO2
- Carrier gas
- Liquid with low volatility supported on an inert solid matrix
- Solid like silica or alumina (correct)
Which gas chromatographic technique is most useful for the separation and analysis of gases like CH4 and CO2?
Which gas chromatographic technique is most useful for the separation and analysis of gases like CH4 and CO2?
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What is the mobile phase in gas liquid chromatography (GLC)?
What is the mobile phase in gas liquid chromatography (GLC)?
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