What is the main advantage of using gas chromatography over liquid chromatograph

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Question: What is the main advantage of using gas chromatography over liquid chromatography?

Options:

Correct Answer: Higher sensitivity for volatile compounds

Solution:

Gas chromatography offers higher sensitivity for volatile compounds compared to liquid chromatography.

What is the main advantage of using gas chromatography over liquid chromatography?

What is the main advantage of using gas chromatography over liquid chromatography?

Step 1: Understand what gas chromatography (GC) is. It is a method that uses gas to separate and analyze compounds.
Step 2: Understand what liquid chromatography (LC) is. It is a method that uses liquid to separate and analyze compounds.
Step 3: Identify the types of compounds each method is best for. GC is best for volatile compounds (those that can easily become gas), while LC is better for non-volatile compounds.
Step 4: Recognize that sensitivity means how well a method can detect small amounts of a substance.
Step 5: Realize that GC can detect smaller amounts of volatile compounds than LC can detect non-volatile compounds.
Step 6: Conclude that the main advantage of GC over LC is its higher sensitivity for volatile compounds.

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