FTIR峰解读
What absorbs at 3288 cm⁻¹ in an FTIR spectrum?
A band near 3288 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 |
|---|---|---|---|
| N h | 6 | 6 | 0.9 |
| Hydroxyl (O-H) | 3 | 2 | 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 0.9
“Broad band around 3288 cm-1 due to O-H or N-H stretching modes of carbohydrates, adsorbed water, and proteins.”
He 等 - 2022 - Chemical Composition and Thermogravimetric Behavio DOI: 10.3390/molecules27010316 -
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
“Broad signal corresponds to stretching vibrations of O-H and N-H”
Racic 等 - 2023 - Screening of Native Trichoderma Species for Nickel DOI: 10.3390/microorganisms11030815 -
N h 置信度 0.8
“Form IV peak at 3288 cm-1”
Edkins 等 - 2015 - Conserved hydrogen bonding in tetrahydrocarbazolon DOI: 10.1039/c4cc10453f -
N h 置信度 0.8
“Explicit: 'NAH in the 3287.69' (likely N-H).”
Eltayb 等 - 2022 - Preparation and characterization of Meta-bromo-thi DOI: 10.1016/j.jsps.2022.05.008 -
N h 置信度 0.8
“NH and zwitterions”
Mai 等 - 2023 - Amino-acid Based Ferroelectric Nanocomposites from DOI: 10.5755/j02.ms.31215
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