FTIR峰解读
What absorbs at 2340 cm⁻¹ in an FTIR spectrum?
A band near 2340 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 5 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 |
|---|---|---|---|
| Carbon dioxide | 4 | 3 | 0.9 |
| Alkyl C-H | 1 | 0 | 0.8 |
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
-
Carbon dioxide 置信度 0.9
“CO2 band”
Galvez 等 - 2008 - Trapping and adsorption of CO2 in amorphous ice A DOI: 10.1016/j.icarus.2008.05.016 -
置信度 0.9
“sharp peaks characteristics of epoxy resin”
Prabhakaran 等 - 2022 - Biodegradation behaviour of green composite sandwi DOI: 10.1177/09673911221103602 -
置信度 0.8
“Peak corresponding to MnO4-C=N conjugation.”
Zargham 等 - 2014 - Influence of KMnO4 concentration and treatment tim DOI: 10.1515/epoly-2014-0080 -
Carbon dioxide 置信度 0.8
“Band at 2340 cm-1 associated to CO2.”
Buso-Rogero 等 - 2014 - Ethanol Oxidation on Pt Single-Crystal Electrodes DOI: 10.1002/cphc.200((will -
Carbon dioxide 置信度 0.8
“Text: 'Carbon dioxide give rise to a band at 2343' and 'band at 2340'”
Haisch 等 - 2019 - The influence of adsorbed substances on alkaline m DOI: 10.1016/j.electacta.2018.10.073
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