What absorbs at 3432 cm⁻¹ in an FTIR spectrum?
A band near 3432 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) | 7 | 7 | 1.0 |
| N h | 3 | 3 | 0.9 |
| Water (H2O) | 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
-
Hydroxyl (O-H) 置信度 1.0
“Explicit assignment in text.”
Natarajan 等 - 2020 - Comparison of MA-g-PP effectiveness through mechan DOI: 10.1590/0104-1428.05620 -
置信度 1.0
“Explicit assignment: O-H stretching vibration mode of hydroxyl functional groups.”
Xia 等 - 2016 - Effect of Activating Agent on the Preparation of B DOI: 10.1515/htmp-2014-0228 -
Water (H2O) 置信度 0.9
“Text states 'attributed to the stretching vibration of absorbed water (H2O) molecules'.”
Divya 等 - 2020 - Structural, optical, electrical and magnetic prope DOI: 10.1016/j.physb.2020.412169 -
Hydroxyl (O-H) 置信度 0.9
“Text: 'bands at 3432 ... which corresponds at O-H'.”
Malaikozhundan 等 - 2017 - Two potential uses for silver nanoparticles coated DOI: 10.1016/j.micpath.2017.08.039 -
Hydroxyl (O-H) 置信度 0.9
“Band at 3432 due to OH group”
Sharma 和 Srivastava - 2008 - Functional copolymer of geraniol and acrylonitrile DOI: 10.1002/app.26838 -
Hydroxyl (O-H) 置信度 0.9
“Explicit assignment: '3432cm-1 due to vibration, of free characteristic bands at ... -OH groups'”
Abdolahifard 等 - 2011 - Surface Modification of PET Fabric by Graft Copoly DOI: 10.5402/2011/265415 -
Hydroxyl (O-H) 置信度 0.9
“assigned to vibration and stretching of hydroxyl bonds”
Farahat 等 - 2022 - Superhydrophobic magnetic sorbent via surface modi DOI: 10.1038/s41598-022-15187-6 -
N h 置信度 0.9
“Solution phase NH stretching frequency”
Himabindu 和 Palanisamy - 2017 - Ultrasoundand Temperature-Induced Gelation of Gl DOI: 10.3390/gels3020012
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