Gas Chromatography

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  • Created by: wr.1400
  • Created on: 14-05-14 20:23

(http://www.bbc.co.uk/schools/gcsebitesize/science/images/triple_science/240_bitesize_gcse_tschemistry_furtherchemistry_gaschroma_464.gif)

The substance to be analysed is vapourised and in the sample injector. This is then opened and the substance is carried by the gas in the canister. The chemicals in the sample as all different sizes and therefore they each travel at a different speed. When they reach the end of the column the detector detects…

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