FTIR峰解读
What absorbs at 3434 cm⁻¹ in an FTIR spectrum?
A band near 3434 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 6 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 |
| N h | 2 | 2 | 0.9 |
| Carboxyl (COOH) | 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.”
Zamri 等 - 2016 - The effectiveness of oil palm trunk waste derived DOI: 10.1063/1.4965073 -
Hydroxyl (O-H) 置信度 0.9
“Peak at 3434.4 cm-1 attributed to OH stretching vibration”
Kirubha 和 Rajput - 2019 - Enhancement of thermal imaging by iron oxide nanop DOI: 10.1016/j.bcab.2018.12.005 -
Carboxyl (COOH) 置信度 0.9
“Explicit assignment: -COOH (carboxylic acid groups) at 3434 cm-1”
Al-Otibi 等 - 2022 - Evaluation of anticandidal activities and phytoche DOI: 10.1186/s12906-022-03552-x -
Hydroxyl (O-H) 置信度 0.9
“Band at 3100-3630 centered 3434 cm-1 assigned to O-H vibrations.”
Kiss 等 - 2015 - Elucidating Some Issues Regarding the Synthesis of DOI: 10.1063/1.4937250 -
N h 置信度 0.9
“Snippet: 'amino groups at 3434 and 3310 corresponding to NH and NH2'.”
Mabrouki 等 - 2022 - Aminated PVC cross-linked with 2,2'-dichlorodiethy DOI: 10.14314/polimery.2022.11.8 -
Hydroxyl (O-H) 置信度 0.9
“Overlapped O-H and N-H stretching vibrations”
Mahmud 等 - 2018 - Influence of Poly (Ethylene Glycol) on the Charact DOI: 10.17576/jsm-2018-4706-14
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