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infrared spectroscopy

   Also found in: Encyclopedia, Wikipedia 0.02 sec.
infrared spectroscopy (inˑ·fr·redˈ spek·trsˑ·k·pē),
n an instrumental technique used to identify substances—in particular the functional groups present in organic compounds by measuring their absorption of infrared radiation over a range of frequencies. The absorption pattern is then compared to the infrared spectra of known substances for identification.


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They used photo-acoustic Fourier transform infrared spectroscopy for quantitative characterization of EVA, EPDM, SBR and NBR.
An overview on application of FTIR by Tyre, J.K. / Rubber World
This industry uses sophisticated molecular techniques such as near infrared spectroscopy and microscopy, polymerase chain reaction, and immunoassays to check feed for animal by-products, and to prevent intraspecies recycling (cannibalism), which undoubtedly caused the BSE epidemic that resulted in the death of 186,000 cattle from 1985 to 2002.
Risk Analysis of Prion Diseases in Animals by Mahy, Brian W.J. / Emerging Infectious Diseases
These include x-ray fluorescence spectroscopy, scanning electron microscopy with energy dispersive spectrometry, cathodoluminescence, and Fourier transform infrared spectroscopy.
Clarification by The FBI Law Enforcement Bulletin
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