Why Are Peaks That Elute Towards the End of a GC

question 36

Multiple Choice

Why are peaks that elute towards the end of a GC run typically broader than the first peaks to elute?

• A) Mass transfer is slower for these compounds
• B) Eddy diffusion increases with retention time
• C) Mass transfer is faster for these
• D) Normal diffusion is most pronounced for compounds that elute later
• E) none of the above

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