What absorbs at 3408 cm⁻¹ in an FTIR spectrum?
A band near 3408 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) | 6 | 6 | 1.0 |
| Ester | 1 | 0 | 1.0 |
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
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Hydroxyl (O-H) 置信度 1.0
“LLM confirmed rule peak-group candidate”
Influence of Mn dopant on the crystallite size, optical and magnetic behaviour of CoFe2O4 magnetic nanoparticles DOI: 10.1016/j.jpcs.2020.109654 -
Hydroxyl (O-H) 置信度 1.0
“The O-H stretching band at 3408 and”
Rout 等 - 2017 - A green approach to produce silver nano particles DOI: 10.1016/j.surfin.2017.03.004 -
Hydroxyl (O-H) 置信度 1.0
“was only observable in the range of For example, the absorption peak of cm-1 the hydroxyl group of Thymus plant extract 4 appeared at 3396 (Figure 6), while the cm-1 peak at 3408 revealed O-H stretching vibrations, which were induced by the”
Al-fawwaz 等 - 2022 - ANTIMICROBIAL AND ANTIOXIDANT ACTIVITY AND CHARACT DOI: 10.15666/aeer/2004_34293446 -
Hydroxyl (O-H) 置信度 1.0
“frequency is observed, and broad bands at 3408, 1645, When PVK is blended with other polymers, such as cm-1 1156, and 1021 can be assigned as follows: OH PVDF-HfP and PVP, the changes occur in the excitaC=O, stretching, stretching vibration”
Alias 等 - 2015 - Optical Transition, Excitation, and Emission Prope DOI: 10.12693/APhysPolA.127.1430 -
Hydroxyl (O-H) 置信度 1.0
“LLM confirmed rule peak-group candidate”
Eco-friendly adsorbents based on abietic acid, boswellic acid, and chitosan/magnetite for removing waste oil from the surface of the water DOI: 10.1007/s11356-022-20169-2 -
Hydroxyl (O-H) 置信度 1.0
“This leaves the clay with a cm-1 cm-1 3200-3600 with the peak centred at 3408 which corresponds to the hydroxyl positive polarity allowing the incorporation of new anionic groups to take the place of the”
Lopez-Rodriguez 等 - 2023 - Dyeing with Hydrotalcite Hybrid Nanoclays and Disp DOI: 10.3390/ijms24010808
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