gas chromatography-GC
Flashcard
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Science
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University - Professional Development
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Practice Problem
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Hard
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1.
FLASHCARD QUESTION
Front
What is gas chromatography (GC)?
Back
A technique used to separate and analyze compounds that can be vaporized without decomposition.
2.
FLASHCARD QUESTION
Front
What does Rt value represent in chromatography?
Back
The retention time of a compound in the chromatographic process.
3.
FLASHCARD QUESTION
Front
What is the main purpose of chromatography?
Back
To separate mixtures into their individual components.
4.
FLASHCARD QUESTION
Front
Which types of chromatography use Rt values?
Back
Paper chromatography, Thin Layer Chromatography (TLC), High-Performance Liquid Chromatography (HPLC), and Gas Chromatography (GC).
5.
FLASHCARD QUESTION
Front
True or False: All mixtures can be separated using chromatography.
Back
False; not all mixtures are suitable for separation by chromatography.
6.
FLASHCARD QUESTION
Front
What is the role of the mobile phase in chromatography?
Back
To carry the sample through the stationary phase.
7.
FLASHCARD QUESTION
Front
What is the stationary phase in gas chromatography?
Back
A solid or liquid that remains fixed in place while the mobile phase moves through it.
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