What absorbs at 3457 cm⁻¹ in an FTIR spectrum?
A band near 3457 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 |
| 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
-
Hydroxyl (O-H) 置信度 1.0
“LLM confirmed rule peak-group candidate”
Microencapsulation of Fluticasone Propionate and Salmeterol Xinafoate in Modified Chitosan Microparticles for Release Optimization DOI: 10.3390/molecules25173888 -
Hydroxyl (O-H) 置信度 1.0
“LLM confirmed rule peak-group candidate”
Reduced graphene oxide-intercalated graphene oxide nano-hybrid for enhanced photoelectrochemical water reduction DOI: 10.1007/s40097-019-00324-x -
Hydroxyl (O-H) 置信度 1.0
“LLM confirmed rule peak-group candidate”
Low-Cost Synthesis of Alumina Nanoparticles and Their Usage for Bisphenol-A Removal from Aqueous Solutions DOI: 10.3390/pr9101709 -
Hydroxyl (O-H) 置信度 1.0
“Pharmaceutics2020,12,1136 5of14 cm-1 Analyzing the polymers spectra, HPMC exhibited bands at 3457 attributed to the O-H cm-1”
Novel Solid Dispersions of Naphthoquinone Using Different Polymers for Improvement of Antichagasic Activity DOI: 10.3390/pharmaceutics12121136 -
Carboxyl (COOH) 置信度 1.0
“In addiaddition, the presence of the carboxyl group is confirmed by the maximum at 3457 tion, the presence of the carboxyl group is confirmed by the maximum at 3457 cm-1, corcorresponding to the stretching vibrations of the hydroxyl bond.”
Impact of a Graphene Oxide Reducing Agent on a Semi-Permeable Graphene/Reduced Graphene Oxide Forward Osmosis Membrane Filtration Efficiency DOI: 10.3390/membranes11090679
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