06 IR ATR_page_4

06 IR ATR | page 4 | https://thedailydialectics.com/pdfs/education/chemistry/analytical-chem/analytical-methods-for-analysis-UH/06 IR ATR/06 IR ATR.pdf

Chem4229-Instrumental Methods of Analysis The frequencies of the absorption bands v, are propor- tional to the energy difference between the vibrational ground and excited states. The absorption bands due to the vibrational transitions are found in the wave- length region of 4 = 2.5 ... 1000 pm…