Fourier transfer infrared

Griffiths, RS and JA de Haseth, Fourier Transfer Infrared Spectroscopy , New York, Wiley, 1986. 

Fourier Transfer Infrared Measurement of CO2 Photogeneration from Polyethylene, Polypropylene,... 

Functional group Fourier Transfer Infrared Spectroscopy (FT-IR), Nuclear Magnetic Resonance (NMR) A—>C 17-20... 

Figure 6 shows the measurement setup for remote infrared reflectometry using hollow-optical fibers. A Fourier-transfer infrared spectrometer with an external detector of HgCdTe was used in the experiment. Mid-infrared light from the... 

Fourier Transfer Infrared (FTIR) spectra of lignin were acquired on a Thermo Nicolet Nexus 470 FTIR spectrometer with a Golden Gate Heatable Diamond ATR (attenuated total reflectance) accessory at room temperature. The number of scans for each sample was 32. The assignments of absorbance peaks were based on published FTIR database for lignin (77). 

Arachidic acid monolayers were prepared from a benzene solution on the water subphase of pH5.8(pure water) and 12.6(adjusted by addition of NaOH) at Tsp of 303 K below Tm(=328 K) of the monolayer [31]. The ionic dissociation state of hydrophilic group was estimated on the basis of the stretching vibrations of carbonyl and carboxylate groups by Fourier transform-infrared attenuated total reflection, FT-IR ATR measurements. 70 arachidic acid monolayers were transferred on germanium ATR prism, resulting in the formation of the multi-layered film. Transfer on the prism was carried out at surface pressures of 25 or 28 mN-nr1. Infrared absorption measurements revealed that almost carboxylic groups of arachidic acid molecules did not dissociate on the water subphase of pH5.8, whereas all carboxylic groups dissociated as carboxylate ions on the water subphase of pH 12.6. 

In 1993, Blatter and Frei [34] extended the Aronovitch and Mazur [28] photo-oxidation into zeolitic media, which resulted in several distinctive advantages as described below. Irradiation in the visible region (633 nm) of zeolite NaY loaded with 2,3-dimethyl-2-butene, 16, and oxygen resulted in formation of allylic hydroperoxide, 17, and a small amount of acetone. The reaction was followed by in situ Fourier-transform infrared (FTlR) spectroscopy and the products were identified by comparison to authentic samples. The allylic hydroperoxide was stable at - 50°C but decomposed when the zeolite sample was warmed to 20°C [35]. In order to rationalize these observations, it was suggested that absorption of light by an alkene/Oi charge-transfer complex resulted in electron transfer to give an alkene radical cation-superoxide ion pair which collapses... 

K. Wada, T. Tajima, and K. Ichimura, High sensitivity thin-layer chromatography—Fourier transform infrared spectrometry system based on zone transfer technique, Anal. Sci., 7 401 (1991). 

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