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Effect of the chain length on near-infrared spectra of 1-alcohols from methanol to 1-decanol.
Autorzy
Rok wydania
2019
Czasopismo
Numer woluminu
30
Strony
6-8
DOI
10.1177/0960336019836861
Kolekcja
Język
Angielski
Typ publikacji
Artykuł
This work shows the effect of the chain length on near-infrared spectra of 1-alcohols and is based on a recent paper by Kwaśniewicz and Czarnecki (Appl Spectrosc 2018, 72: 288). Near-infrared spectra of 1-alcohols from methanol to 1-decanol in the pure liquid phase were recorded from 5200 to 9000 cm−1. The similarities and differences between the spectra were analyzed by the classical and chemometric methods (principal component analysis). The obtained results reveal that the near-infrared spectra of methanol, ethanol, and 1-propanol are appreciably different from the spectra of higher 1-alcohols. As shown, the degree of self-association of 1-alcohols decreases with the increase in the chain length.
Słowa kluczowe
Near-infrared spectroscopy, alcohols, spectra-structure correlations, chain length effect
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