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Inne
Two-dimensional Fourier transform near-infrared correlation spectroscopy studies of temperature-dependent spectral variations of oleyl alcohol.
Autorzy
Rok wydania
1995
Czasopismo
Numer woluminu
99
Strony
3068-3073
DOI
10.1021/j100010a016
Kolekcja
Język
Angielski
Typ publikacji
Artykuł
Generalized two-dimensional(2D)correlation spectroscopy has been applied to the near-infrared (NIR) region for the first time to investigate temperature-dependent spectral variations of cw-9-octadecen-l-ol (oleylalcohol) in the pure liquid state.The 2D correlation spectroscopic analysis has provided spectral information no treadily accessible from conventional one-dimensional spectra. Forexample,the analysis has shown that a bandat 7090cm-1 dueto the first overtone of an OH stretching mode of the monomeric alcohol consists of two bands arising from the rotational isomerism of the free OH group.The existence of a band due to free terminal OH group sof the linear polymeric species has also been suggested from asynchronous 2D NIR correlation spectrum of the alcohol. An asynchronous 2D NIR spectrum of the alcohol has indicated that the pattern of the temperature dependence for the peak intensity at 7090cm-1 is different from other bands near 6300cm-1 attributed to the polymeric forms of the alcohol.
Adres publiczny
https://doi.org/10.1021/j100010a016
Strona internetowa wydawcy
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