what elutes first in gas chromatography

Best answer


Least polar compounds

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.

  • 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.

  • How is GC used in chromatography?

  • Chromatography can test blood alcohol, drug purity, food purity, and essential oil quality. GC may be used on either organic or inorganic analytes, but the sample must be volatile. Ideally, the components of a sample should have different boiling points. First, a liquid sample is prepared.

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