FTIR峰解读
What absorbs at 3401 cm⁻¹ in an FTIR spectrum?
A band near 3401 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) | 2 | 2 | 1.0 |
| N h | 2 | 1 | 1.0 |
| Phenolic | 1 | 1 | 0.9 |
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
-
N h 置信度 1.0
“Explicit assignment in text”
Hadia 等 - 2022 - Conversion of Sewage Water into H-2 Gas Fuel Using DOI: 10.3390/polym14112148 -
Hydroxyl (O-H) 置信度 1.0
“Explicit assignment: 'peaks at 3401 ... hydroxyl'”
Li 等 - 2020 - Preparation and Properties of Self-Healing Polyure DOI: 10.1021/acsomega.9b03082 -
Phenolic 置信度 0.9
“Explicit assignment: intense broadband at 3401 cm-1 identified as N-H and O-H stretching modes.”
Brza 等 - 2019 - From Green Remediation to Polymer Hybrid Fabricati DOI: 10.3390/ijms20163910 -
Hydroxyl (O-H) 置信度 0.9
“Explicit assignment: '3401 O-H stretching vibration'”
Liu 等 - 2017 - Efficient Low Temperature Hydrothermal Carbonizati DOI: 10.3390/en10122094 -
置信度 0.7
“Region 3401-2839 exhibited strong broad peaks attributable to functional groups.”
Yin 等 - 2018 - Identification of Three Dalbergia Species Based on DOI: 10.3390/molecules23092163
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