What absorbs at 3473 cm⁻¹ in an FTIR spectrum?
A band near 3473 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
가능한 작용기 할당
| 작용기 | 지원 사실 | 인용 출처 | 최고 신뢰도 |
|---|---|---|---|
| Hydroxyl (O-H) | 5 | 4 | 1.0 |
| Carbonyl (C=O) | 1 | 1 | 1.0 |
| N c o | 1 | 1 | 1.0 |
순위는 단일 권위 규칙이 아닌 축적된 문헌 증거를 반영합니다. 항상 샘플 상황에 대해 확인하세요.
이 할당의 배경이 되는 문헌
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Hydroxyl (O-H) 신뢰도 1.0
“LLM confirmed rule peak-group candidate”
Rahmawati 等 - 2017 - The Liquid Biodiesel Extracted From Pranajiwa (Ste DOI: 10.1063/1.4978098 -
N c o 신뢰도 1.0
“The FTIR spectra of NCO terminated pre-polymer showed cm-1, the presence of the -NH group at 3473 along with the stretching bands of the CH 2 cm-1, group and carbonyl group at 2959 and 1739 respectively.”
Impact of Diisocyanates on Morphological and In Vitro Biological Efficacy of Eco-Friendly Castor-Oil-Based Water-Borne Polyurethane Dispersions DOI: 10.3390/polym14173701 -
Hydroxyl (O-H) 신뢰도 1.0
“cm-1 The 3473 peak could not be related to any known OH stretching modes in olivine or”
De Hoog 等 - 2014 - Titaniumand water-rich metamorphic olivine in hi DOI: 10.1007/s00410-014-0990-x -
Carbonyl (C=O) 신뢰도 1.0
“The weak band associated with the overtone of the glyceride ester cm-1 cm-1 296 (near 3470 in carbonyl absorption showed a maximum absorbance near 3473 cm-1, 297 salmon lipid).”
Gimenez 等 - 2011 - Evaluation of lipid oxidation in horse mackerel pa DOI: 10.1016/j.foodchem.2010.07.097 -
Hydroxyl (O-H) 신뢰도 1.0
“LLM confirmed rule peak-group candidate”
Ma 和 Liu - 2014 - Effect High Temperature Annealing on Graphitizatio DOI: 10.14233/ajchem.2014.16186A -
Hydroxyl (O-H) 신뢰도 1.0
“cm-1 absorptions in the zone 2920-2850 corresponding to stretching vibration in cm-1 the CH aliphatic chain (1), in the range 3003-3007 corresponding to 2 stretching vibration of the double bond cis specific to unsaturated fatty acids, the”
Popa 等 - 2021 - ATTENUATED TOTAL REFLECTANCE - FOURIER TRANSFORM I DOI: 10.24193/subbchem.2021.4.03
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