What absorbs at 1507 cm⁻¹ in an FTIR spectrum?
A band near 1507 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 6 cited sources
可能的官能团归属
| 官能团 | 支持性事实 | 引用来源 | 最高置信度 |
|---|---|---|---|
| Lignin | 2 | 2 | 0.95 |
| Aromatic ring | 2 | 2 | 0.9 |
| Alkene (C=C) | 1 | 1 | 0.8 |
| Amide | 1 | 1 | 0.7 |
排名反映了累积的文献证据，而非单一的权威规则。请始终对照您的样品背景进行确认。
这些分配背后的文献
-
Lignin 置信度 0.95
“Same sentence as 1600”
Solihat 等 - 2020 - Microwave assisted dilute organic acid pre-treatme DOI: 10.1088/1757-899X/935/1/012046 -
Lignin 置信度 0.9
“Text states 'lignin bands observed at 1507 was attributed to the presence of coniferyl alcohol' and 'higher content of G-units'.”
Elmas 和 Yilgor - 2020 - Chemical and Thermal Characterizations of Pinus sy DOI: 10.1515/hf- -
置信度 0.9
“Text: 'bands at 1600 and 1507 are ascribable to aromatic skeletal vibrations in lignin'”
Marzini 等 - 2023 - Exploring the Potential of Portable Spectroscopic DOI: 10.3390/f14040825 -
Aromatic ring 置信度 0.9
“typical of aromatic ring vibrations of lignin”
Zhou - 2022 - Oxidation of Lignin-Carbohydrate Complex by Laccas DOI: 10.17576/jsm-2022-5103-07 -
Alkene (C=C) 置信度 0.8
“New peak for PDA-RGO, due to C=C.”
Jing 等 - 2016 - Determination of nicotine in tobacco products base DOI: 10.1038/srep29230 -
Amide 置信度 0.7
“Listed as both amide and C-C aromatic stretching.”
Aamir 和 Ahmad - 2010 - Production and Stability Evaluation of Modified-Re DOI: 10.1208/s12249-010-9392-1
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