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Infrared spectroscopy



Organic Analysis

AQA Content

use infrared spectra and the Chemistry Data Sheet or Booklet to identify particular bonds, and therefore functional groups, and also to identify impurities.
The link between absorption of infrared radiation by bonds in CO2, methane and water vapour and global warming.

Specification Notes

Bonds in a molecule absorb infrared radiation at characteristic wavenumbers.
‘Fingerprinting’ allows identification of a molecule by comparison of spectra.



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