Question:
Which of the following is the disadvantage of nitrogen, which can be used as carrier gas in gas chromatography?
Which of the following is the disadvantage of nitrogen, which can be used as carrier gas in gas chromatography?
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Nitrogen = safe & cheap, but reduces sensitivity in GC.
Updated On: May 22, 2025
- Dangerous to use
- Expensive
- Reduced sensitivity
- Highly reactive
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The Correct Option is C
Solution and Explanation
Although nitrogen is commonly used as a carrier gas in gas chromatography due to its inertness and availability, it has a major disadvantage: reduced sensitivity and slower analysis time compared to helium or hydrogen.
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