In gas chromatography, components in a mixture can be separated from one another because these...

Question:

In gas chromatography, components in a mixture can be separated from one another because these components have different solubilities in the non-volatile stationary phase. Compound X and Compound Y have identical boiling points. Compound X has a greater affinity for the non-volatile liquid phase, Z, than does Compound Y. When a mixture of X and Y is separated, which component should be the first component off the column?

Gas Chromatography:

Gas chromatography works as all chromatography does with mobile and stationary phases. The more time a substance spends in the mobile phase, the faster, it will elute. While the more time a substance spends in the stationary phase, the slower, it will elute.

Answer and Explanation: 1

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In gas chromatography, the substance which interacts less with the stationary phase will elute first. For gas chromatography, this is normally the...

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Chromatography in Forensic Science

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Chapter 5 / Lesson 14
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Learn about the forensic chromatography lab. Discover the chromatography definition in forensics. Understand the uses of gas chromatography and ink chromatography.


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