What absorbs at 3483 cm⁻¹ in an FTIR spectrum?
A band near 3483 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 |
|---|---|---|---|
| Hydroxyl (O-H) | 4 | 4 | 1.0 |
| Water (H2O) | 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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Hydroxyl (O-H) 置信度 1.0
“For all catalysts, a weak peak, as discussed above, assigned to the stretching vibration of the hydroxyl group of the hemiaminal, appeared at 3487 cm-1, 3491 cm-1, 3474 cm-1, and 3483 cm-1, respectively, after introducing diisopropylamine a”
Underlying Mechanisms of Reductive Amination on Pd-Catalysts: The Unique Role of Hydroxyl Group in Generating Sterically Hindered Amine DOI: 10.3390/ijms23147621 -
Hydroxyl (O-H) 置信度 1.0
“In Figure 7b, the characteristic peak at 3483 is a cm-1 typical O-H stretching vibration;”
Inerting Waste Al Alloy Dust with Natural High Polymers: Sustainability of Industrial Waste DOI: 10.3390/ma15165540 -
Hydroxyl (O-H) 置信度 1.0
“LLM confirmed rule peak-group candidate”
Onder 等 - 2022 - Adsorption of Malachite Green from Aqueous Solutio DOI: 10.21203/rs.3.rs-976656/v1 -
Water (H2O) 置信度 1.0
“Optical microscopy after hydroxyapatite deposition: electrochemical method (a) biomimetic method (b) 524 band's at 3483 and 3098 are related to free absorbed water in cm-1 hydroxyapatite layer.”
Perju 等 - 2022 - SOME ASPECTS CONCERNING TITANIUM COVERAGE WITH HYD DOI: 10.24425/amm.2022.137785 -
Hydroxyl (O-H) 置信度 1.0
“LLM confirmed rule peak-group candidate”
Microcapsules Filled with a Palm Oil-Based Alkyd as Healing Agent for Epoxy Matrix DOI: 10.3390/polym8040125
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