FTIR峰解读
What absorbs at 3480 cm⁻¹ in an FTIR spectrum?
A band near 3480 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 |
|---|---|---|---|
| Hydroxyl (O-H) | 4 | 3 | 0.9 |
| N h | 1 | 1 | 0.9 |
| Carboxyl (COOH) | 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
-
置信度 1.0
“Explicit: 'a positive band centered at 3480 cm-1 ... referred as solvent-shared ion-pair'.”
Ashraf 等 - 2021 - Identification and properties of ion-pairs in the DOI: 10.1016/j.molliq.2020.114891 -
Hydroxyl (O-H) 置信度 0.9
“OH stretching region for hydroxyledgrewite”
Galuskin 等 - 2012 - Edgrewite Ca-9(SiO4)(4)F-2-hydroxyledgrewite Ca-9( DOI: 10.2138/am.2012.4161 -
Hydroxyl (O-H) 置信度 0.9
“Explicit assignment: 'O-H stretching mode at 3480 cm-1'”
Takiwatari 等 - 2010 - Stabilisation of hydrogen bonding in polypropylene DOI: 10.1002/ls.132 -
Hydroxyl (O-H) 置信度 0.9
“Explicitly assigned to -OH stretch.”
Douroumis 等 - 2007 - Physicochemical characterization of solid dispersi DOI: 10.1211/jpp.59.5.0004 -
N h 置信度 0.9
“Peak at 3480 cm-1 assigned to N-H stretching.”
Suhail 等 - 2020 - Using Carbomer-Based Hydrogels for Control the Rel DOI: 10.3390/ph13110399 -
置信度 0.7
“Described as broad absorption peak.”
Habibi 和 Mardani - 2015 - Effect of annealing temperature on optical propert DOI: 10.1016/j.saa.2014.08.031
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