Which inert gas is used in chromatography?

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(D) In gas chromatography,a carrier gas is an inert gas used to transport the sample through the column. Commonly used carrier gases include helium $(

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$He$

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(D) In gas chromatography,a carrier gas is an inert gas used to transport the sample through the column. Commonly used carrier gases include helium $(He)$,nitrogen $(N_2)$,hydrogen $(H_2)$,and argon $(Ar)$. Helium and nitrogen are the most frequently used gases,and helium is particularly preferred when using a capillary column due to its efficiency.

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