Question

Explain the following Gas chromatograph (GC).

Answer 1

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Here is your answer,

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Gas chromatography (GC) is a common type of chromatography used in analytical chemistry for separating and analyzing compounds that can be vaporized without decomposition.

This causes each compound to elute at a different time, known as the retention time of the compound.

To separate the compounds in gas-liquid chromatography, a solution sample that contains organic compounds of interest is injected into the sample port where it will be vaporized.

The vaporized samples that are injected are then carried by an inert gas, which is often used by helium or nitrogen.

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Answer 2

In preparative chromatography, GC can be used to prepare pure compounds from a mixture. ... First, the process of separating the compounds in a mixture is carried out between a liquid stationary phase and a gas mobile phase, whereas in column chromatography the stationary phase is a solid and the mobile phase is a liquid.