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infrared spectroscopy
(redirected from IR spectra)

    Also found in: Encyclopedia, Wikipedia 0.01 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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FOURIER TRANSFORMATION INFRARED SPECTROSCOPY: The IR spectra were obtained using a Nicolet Magna 550 Series II FTIR (Nicolet, WI) equipped with attenuated total reflectance (ATR).
Coating performance and characteristics for UV-curable aliphatic ... by Kim, Hyun-Joong / JCT Research
The IR spectra of nacreous powder are characterized by 3 prominent absorption maxima at 1470-1490 [cm.
Shell microstructure, mineralogy and in vitro crystallization studies ... by Tan, Beiping / Journal of Shellfish Research
IR spectra of these HAs had weak bands, not deriving from HA, at 890 c[m.
Preparation and comprehensive characterization of a calcium ... by Tung, Ming S. / Journal of Research of the National Institute of Standards and Technology
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