In gas chromatography, what is the stationary phase typically made of?

In gas chromatography, what is the stationary phase typically made of?

Step 1: Understand that gas chromatography is a technique used to separate different components in a mixture.
Step 2: Identify that in this technique, there are two phases: the mobile phase (gas) and the stationary phase.
Step 3: Know that the stationary phase is the part that does not move and is crucial for separating the components.
Step 4: Learn that the stationary phase is typically made of a liquid that is coated onto a solid support material.
Step 5: Recognize that this liquid helps to interact with the gas components, allowing for separation based on their different properties.

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