what elutes first in gas chromatography

Best answer


Compound with the lowest boiling point

People also ask


  • How does gas chromatography work?

  • How Gas Chromatography Works First, a liquid sample is prepared. The sample is mixed with a solvent and is injected into the gas chromatograph. Typically the sample size is small — in the microliters range.

  • How do you prepare a gas chromatograph sample?

  • First, a liquid sample is prepared. The sample is mixed with a solvent and is injected into the gas chromatograph. Typically the sample size is small — in the microliters range. Although the sample starts out as a liquid, it is vaporized into the gas phase.

  • How does gas chromatography determine purity?

  • How does gas chromatography determine purity? GC is used as one test to help identify components of a liquid mixture and determine their relative concentration. It may also be used to separate and purify components of a mixture. Chromatography can test blood alcohol, drug purity, food purity, and essential oil quality.

  • What is the other name of gas chromatography?

  • Sometimes gas chromatography is known as gas-liquid partition chromatography (GLPC) or vapor-phase chromatography (VPC). Technically, GPLC is the most correct term, since the separation of components in this type of chromatography relies on differences in behavior between a flowing mobile gas phaseand a stationary liquid phase.

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