What absorbs at 3427 cm⁻¹ in an FTIR spectrum?
A band near 3427 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
가능한 작용기 할당
| 작용기 | 지원 사실 | 인용 출처 | 최고 신뢰도 |
|---|---|---|---|
| Hydroxyl (O-H) | 7 | 7 | 1.0 |
| N h | 3 | 2 | 0.9 |
| Amide | 2 | 2 | 0.9 |
| Water (H2O) | 1 | 1 | 0.95 |
| Alkene (C=C) | 1 | 1 | 0.9 |
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
“Text: 'peak at 3427 corresponds to O-H'”
Singh 等 - 2013 - Immobilization of Procerain B, a Cysteine Endopept DOI: 10.1371/journal.pone.0066000 -
Hydroxyl (O-H) 신뢰도 0.95
“Text states 'OH- stretching band at 3426.89'.”
Azizi 等 - 2020 - Evaluation of mechanical and biocompatibility prop DOI: 10.1016/B978-0-12-816909-4.00008-7 -
Water (H2O) 신뢰도 0.95
“Explicit assignment: 'band at 3427 is related to the -OH stretching vibration peak of water adsorbed on the surface of ATP'.”
Xiao 等 - 2022 - Investigation on the Potential Application of Na-A DOI: 10.3390/molecules27238266 -
Amide 신뢰도 0.9
“Explicit assignment: amide I band at 3427 cm-1”
Dhasmana 等 - 2019 - Silk fibroin protein modified acellular dermal mat DOI: 10.1016/j.msec.2018.12.038 -
Hydroxyl (O-H) 신뢰도 0.9
“O-H band”
Ebadi 等 - 2023 - Formulation and Characterization of Fe3O4@PEG Nano DOI: 10.3390/polym15040971 -
Amide 신뢰도 0.9
“Text: 'strong absorption band at 3427 (amide)'.”
Tiburu 等 - 2017 - Formation of Chitosan Nanoparticles Using Deacetyl DOI: 10.4028/www.scientific.net/JNanoR.48.156 -
Hydroxyl (O-H) 신뢰도 0.9
“Explicit assignment: 'Broad stretching at 3427 indicates presence of -OH group'.”
Aghajani 等 - 2018 - Rhamnolipid as new bio-agent for cleaning of ultra DOI: 10.1002/elsc.201700070 -
Hydroxyl (O-H) 신뢰도 0.9
“Band at roughly 3427 corresponds to O-H stretching.”
Alem 等 - 2023 - Enhancing pseudocapacitive properties of cobalt ox DOI: 10.1016/j.heliyon.2023.e13817
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