オレイン酸アミドおよび飽和脂肪酸アミド (C8〜C18) の近赤外線吸収スペクトル

概要

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The near infrared spectrum of oleamide was measured in carbon tetrachloride solution between. 1.0 and 2.5 microns. From the experimental results, the band characteristic of the amide structure was determined. In particular, the presence of an intense absorption band can be ascertained at 1.960 microns and it seems that the band is the combination band of the N-H streching and the N-H bending vibrations. Furthermore, the spectra of saturated fatty acid amides (C8C18) were measured in chloroform solution bettween 1.9 and 2.2 microns. These amides are characterised by an intense absorption band at 1.96 microns. The absorption band is available for both the qualitative analysis of primary amides and the quantitative analysis of nitrogen in the crude fatty amides.
社団法人日本油化学会の論文