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Questions and Answers
What determines the retention time in Gas-Solid Chromatography?
What determines the retention time in Gas-Solid Chromatography?
- The flow rate of the carrier gas
- The temperature of the mobile phase
- The volatility of the stationary phase
- Affinity of solutes towards adsorption onto the stationary phase (correct)
What is the premier technique for separation and analysis of volatile compounds?
What is the premier technique for separation and analysis of volatile compounds?
- Liquid Chromatography
- Thin Layer Chromatography
- Gas Chromatography (correct)
- High Performance Liquid Chromatography
What is the mobile phase in Gas-Liquid Chromatography?
What is the mobile phase in Gas-Liquid Chromatography?
- A gas (correct)
- A liquid
- A solid
- A gel
What type of force contributes to separation in Gas-Solid Chromatography?
What type of force contributes to separation in Gas-Solid Chromatography?
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What is the stationary phase in Gas-Liquid Chromatography?
What is the stationary phase in Gas-Liquid Chromatography?
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Study Notes
Gas Chromatography
- Retention time in Gas-Solid Chromatography is determined by the interactions between the volatile compounds and the stationary phase.
Separation and Analysis
- Gas-Liquid Chromatography is the premier technique for separation and analysis of volatile compounds.
Gas-Liquid Chromatography
- The mobile phase in Gas-Liquid Chromatography is a carrier gas, which is an inert gas that flows through the column.
Separation Mechanism
- Van der Waals forces contribute to separation in Gas-Solid Chromatography.
Stationary Phase
- The stationary phase in Gas-Liquid Chromatography is a liquid adsorbed onto a solid support.
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