Which Statement Is NOT True for GC Carrier Gases

question 6

Multiple Choice

Which statement is NOT true for GC carrier gases?

• A)N₂,He,and H₂ are the most common carrier gases.
• B)Optimal linear velocity increases in the order N₂ < He < H₂.
• C)The fastest separations can be achieved with N₂ as carrier gas.
• D)N₂ gives a lower detection limit than He with a flame ionization detector.
• E)Helium is the most common carrier gas and is compatible with most detectors.

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