Infrared Spectroscopy

Infrared spectroscopy is a technique for identifying different possible functional groups of organic compounds. Infrared spectra can be divided into two parts one is functional group region and other is fingerprint region. If the organic compounds are from the same family as methanol, ethanol, propanol, etc. then functional group region will give peaks at the same place for the hydroxyl group of these compounds, but with the help of fingerprint region, these alcohols can be identified separately. Now a day’s FTIR (Fourier Transforms Infrared Spectrometer) is commonly used for structure elucidation of organic compounds due to its various advantages over simple Infrared spectroscopy. FTIR gives excellent spectra with small sample size and therefore can be connected with HPLC or GC.