Functional Group

Sample

Characteristics Adsorption [29]

Sulfone S=O

1322

1300

Aromatic carbon double bond C=C

1680.16

1600 or 1475

Aromatic carbon hydrogen bond C-H

3859.91

3000 - 3020

Ether Diaryl C-O-C stretch

1013.36

1000 - 1300

Anhydride C-O stretch

1295.62

1300

O-H bound in Zeolite

3596.17

3200 - 3600