Fourier Transform Infrared Spectroscopy

 | Post date: 2021/05/24 | 
Fourier transform infrared spectroscopy (FTIR) is a technique which is used to obtain infrared spectrum of absorption, emission, and photoconductivity of solid, liquid, and gas.
FTIR identifies the presence of organic and inorganic compounds in the sample. Depending on the infrared absorption frequency range 600–4000 cm−1, the specific molecular groups prevailing in the sample will be determined through spectrum data in the automated software of spectroscopy.
A typical FTIR spectrometer includes a source, sample cell, detector, amplifier, A/D convertor, and a computer. Radiation from the sources reach the detector after it passes through the interferometer. The signal is amplified and converted to a digital signal by the A/D convertor and amplifier, after which the signal is transferred to the computer where the Fourier transform is carried out. 
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