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
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) | 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 |
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
“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) 置信度 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) 置信度 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 置信度 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) 置信度 0.9
“O-H band”
Ebadi 等 - 2023 - Formulation and Characterization of Fe3O4@PEG Nano DOI: 10.3390/polym15040971 -
Amide 置信度 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) 置信度 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) 置信度 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
是否有此波段的光谱？
上传您的FTIR光谱，几秒钟内即可获得完整的解读报告——包含带文献引用的峰分配、库匹配和带有置信度评级的证据链。
解读我的光谱