FTIR峰解读
What absorbs at 3694 cm⁻¹ in an FTIR spectrum?
A band near 3694 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 2 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 | 1 | 1.0 |
| Carboxyl (COOH) | 1 | 1 | 1.0 |
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
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Carboxyl (COOH) 置信度 1.0
“In the O-H cm-1 stretching region, the untreated HNT and acid-treated HNT showed bands at 3694 cm-1, and 3622 which correspond to inner surface and outer surface hydroxyl groups stretching, respectively.”
Selectively Etched Halloysite Nanotubes as Performance Booster of Epoxidized Natural Rubber Composites DOI: 10.3390/polym13203536 -
Hydroxyl (O-H) 置信度 1.0
“LLM confirmed rule peak-group candidate”
Multi-Method Analysis of Painting Materials in Murals of the North Mosque (Linqing, China) DOI: 10.3390/coatings13071298
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