What is the typical mobile phase used in gas chromatography?

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Question: What is the typical mobile phase used in gas chromatography?

Options:

Correct Answer: Gas

Solution:

The mobile phase in gas chromatography is typically a gas, often helium or nitrogen.

What is the typical mobile phase used in gas chromatography?

What is the typical mobile phase used in gas chromatography?

Step 1: Understand that gas chromatography is a technique used to separate and analyze compounds that can be vaporized.
Step 2: Identify that in gas chromatography, there are two main phases: the stationary phase and the mobile phase.
Step 3: Recognize that the mobile phase is the phase that moves through the system.
Step 4: Learn that in gas chromatography, the mobile phase is always a gas.
Step 5: Know that the most commonly used gases for the mobile phase are helium and nitrogen.

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