Abstract:Infrared (IR) spectroscopy involves the measurement of diverse frequencies of infrared radiations through certain matrices like foods or other solids, liquids, and gases which are placed in the path o...Infrared (IR) spectroscopy involves the measurement of diverse frequencies of infrared radiations through certain matrices like foods or other solids, liquids, and gases which are placed in the path of an infrared beam. IR spectroscopy mainly helps to find out the type of the functional group(s) which make up the sample. The frequency of the absorbed infrared radiation is unique or characteristic of every functional group. In this chapter, the basic principle, working, and components of IR spectroscopy have been covered. Design and efficiencies of the dispersive and Fourier transform instruments have been compared. Sample preparation and handling technique for use in FTIR spectrophotometer have been covered. A step-by-step procedure to interpret FTIR spectra has been provided. Both qualitative and quantitative applications have been discussed. Various types of ATR crystals materials have been compared. The basic principle and design of attenuated total reflectance spectroscopy has been discussed. Application of chemometrics on the FTIR spectral data for determining the quality of milk and milk products has been touched upon.Read More
Publication Year: 2022
Publication Date: 2022-01-01
Language: en
Type: book-chapter
Indexed In: ['crossref']
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Cited By Count: 3
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