FTIR峰解读
What absorbs at 3369 cm⁻¹ in an FTIR spectrum?
A band near 3369 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 7 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 | 0.9 |
| Water (H2O) | 1 | 1 | 0.9 |
| N h | 1 | 1 | 0.9 |
| Amine primary | 1 | 1 | 0.9 |
| Urethane | 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
-
Urethane 置信度 0.9
“Explicit assignment: urethane peaks.”
Mudri 等 - 2020 - Comparative Study of Aromatic and Cycloaliphatic I DOI: 10.3390/polym12071494 -
Amine primary 置信度 0.9
“FTIR (ATR) ν 3369-3292 (NH2).”
Amer 等 - 2019 - Elaboration of new modified electrodes (MEs) by el DOI: 10.1016/j.eurpolymj.2018.10.016 -
置信度 0.9
“Explicit assignment: 'Two typical bands at 3369 and 3294 relative ... to the N-H primary stretching vibration'”
Jagdale 等 - 2011 - Preparation and Characterization of Metformin Hydr DOI: 10.4103/0975-1483.83758 -
Hydroxyl (O-H) 置信度 0.9
“Explicit assignment in text”
Lewis 等 - 2022 - Characterization of Sea Surface Microlayer and Mar DOI: 10.1021/acsearthspacechem.2c00119 -
N h 置信度 0.9
“Explicit assignment in text”
Nagpal 等 - 2012 - Dissolution enhancement of glimepiride using modif DOI: 10.4103/2230-973X.96925 -
Hydroxyl (O-H) 置信度 0.9
“Explicit assignment: O-H peak at wavenumber of 3301-3369 cm-1”
Wei 等 - 2013 - Formation of Protein Complex with the Aid of Polye DOI: 10.1063/1.4858764 -
Water (H2O) 置信度 0.9
“Explicit assignment in text.”
Xaba 等 - 2017 - The influences of the concentrations of green cap DOI: 10.1515/gps-2016-0089
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