What absorbs at 1541 cm⁻¹ in an FTIR spectrum?
A band near 1541 cm⁻¹ can point to several functional groups. Below are the most likely assignments, ranked by how much published evidence supports each — every one traceable to literature (DOI) and cross-validated against our 130,000+ reference spectra and knowledge graph.
Backed by 8 cited sources
可能的官能基指派
| 官能基 | 支持事實 | 引用來源 | 最高信心 |
|---|---|---|---|
| Amide | 8 | 8 | 0.95 |
| Alkene (C=C) | 1 | 1 | 1.0 |
| Carboxyl (COOH) | 1 | 0 | 0.95 |
| Chitosan | 1 | 0 | 0.9 |
排名反映累積的文獻證據，而非單一權威規則。請務必根據您的樣品背景進行確認。
這些指派背後的文獻
-
Alkene (C=C) 信心 1.0
“2 (bottom) cm-1, bands were located at 1578 that the highest signal-to-noise ratio was found for a resulting from the cm-1, nominal resolution of 4 C=C stretching in chloroalkenes, at 1541, 1394, 1273 which also provided the cm-1,”
Armenta 等 - 2007 - Determination of iprodione in agrochemicals by inf DOI: 10.1007/s00216-007-1152-z -
Amide 信心 0.95
“Explicitly stated in text: 'amide II band at 1541 cm-1'”
Jun 等 - 2019 - Degradation of full aromatic polyamide NF membrane DOI: 10.1016/j.polymdegradstab.2019.02.008 -
Amide 信心 0.9
“Explicit assignment: amide II band bending peak at 1541 cm-1.”
Kwon 等 - 2008 - Change of chemical composition and hydrogen bondin DOI: 10.1002/app.25657 -
Amide 信心 0.9
“Explicitly stated as amide II peak.”
Mona 等 - 2013 - Adsorption of human blood plasma on nanodiamond an DOI: 10.1016/j.diamond.2013.08.001 -
Amide 信心 0.9
“Explicit assignment: 'amide II band (1541'”
Tang 等 - 2009 - Effect of membrane chemistry and coating layer on DOI: 10.1016/j.desal.2008.04 -
Amide 信心 0.9
“Text: 'disappearance of the amide II band (1541 cm-1)'.”
Van 等 - 2012 - Degradation of Polyamide Nanofiltration and Revers DOI: 10.1021/es203090y -
Amide 信心 0.9
“Text: 'amide II band centered at 1541cm-1'”
Reuter 等 - 2020 - Evidence for preferential protein depolymerization DOI: 10.5194/bg-17-499-2020 -
Amide 信心 0.9
“Corresponding to amide vibrations.”
Wojcik-Pastuszka 等 - 2023 - Influence of HA on Release Process of Anionic and DOI: 10.3390/ijms24065606
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