Gas-solid chromatography is based on which of the following processes?
A. Partition of the analyte between a gaseous mobile phase and a stationary liquid phase
B. Adsorption of gaseous substances on solid surface
C. Ion exchange
D. Large molecules cannot penetrate through the gel
Answer:B
Gas-solid chromatography is based on which of the following processes?
A. Partition of the analyte between a gaseous mobile phase and a stationary liquid phase B. Adsorption of gaseous substances on solid surface C. Ion exchange D. Large molecules cannot penetrate through the gel
Explanation: Gas-solid chromatography is based on the adsorption of gaseous substances on a solid surface. It is useful for the separation of rare gases.