What absorbs at 3430 cm⁻¹ in an FTIR spectrum?
A band near 3430 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 8 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) | 22 | 22 | 1.0 |
| N h | 4 | 4 | 1.0 |
| Phenolic | 1 | 1 | 0.95 |
| Metal hydroxyl | 1 | 1 | 0.9 |
| Silanol (Si-OH) | 1 | 1 | 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
-
Hydroxyl (O-H) 置信度 1.0
“stretching band of surface hydroxyl group”
Farzin 等 - 2020 - Low-temperature synthesis of Sr2FeMoO6 double pero DOI: 10.1016/j.ceramint.2020.03.264 -
Hydroxyl (O-H) 置信度 1.0
“Explicitly assigned to -OH.”
Chaparro 等 - 2023 - Biowaxes from Palm Oil as Promising Candidates for DOI: 10.3390/ma16124402 -
Hydroxyl (O-H) 置信度 1.0
“OH groups of the resin components.”
Costa de Almeida 等 - 2021 - Development of a bio-based adhesive from Protium h DOI: 10.1590/0104-1428.10020 -
N h 置信度 1.0
“Explicitly assigned to N-H stretching vibration.”
Duceac 等 - 2020 - Third-Generation Cephalosporin-Loaded Chitosan Use DOI: 10.3390/ma13214792 -
Hydroxyl (O-H) 置信度 1.0
“broad adsorption band at around 3430 for O-H group”
Ghanbari 和 Ghafuri - 2022 - Design and preparation of nanoarchitectonics of LD DOI: 10.1038/s41598-022-15582-z -
N h 置信度 1.0
“Broad peak at 3430 cm-1 assigned to NH and OH groups, and cellulose OH stretching.”
Salim 等 - 2022 - Evaluation of the Efficiency of traditional chitos DOI: 10.21203/rs.3.rs-1748778/v1 -
Hydroxyl (O-H) 置信度 0.95
“Explicit assignment: 'free OH band (3430/cm), from the phenolic OH group'”
Martins 等 - 2020 - Release of adsorbed ferulic acid in simulated gast DOI: 10.1007/s00217-020-03489-w -
Hydroxyl (O-H) 置信度 0.9
“Broad bands at 3430 corresponding to stretching vibrations of amylose or amylopectin (glucose ring).”
Gao 等 - 2021 - Synthetic mechanism of octenyl succinic anhydride DOI: 10.1016/j.ijbiomac.2021.01.082
是否有此波段的光谱？
上传您的FTIR光谱，几秒钟内即可获得完整的解读报告——包含带文献引用的峰分配、库匹配和带有置信度评级的证据链。
解读我的光谱