Gas chromatography

1. 1Is a picture of a packed or a capillary column?

   

   1. APacked
   2. BCapillary
2. 2Stationary Phases which are very polar (such as polyethylene glycol), are useful for the analysis of which substances?

   1. AHydrocarbons, petrols, and oils
   2. BAlcohols and acids of low molecular weight
   3. CAromatic compounds
   4. DProteins
   5. EFatty acid methyl esters
3. 3Which of these gases are not suitable for use in gas chromatography?

   1. ANitrogen
   2. BOxygen
   3. CHelium

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Test sobre Gas chromatography, creado por k2-robins el 18/02/2014.

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k2-robins

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