What absorbs at 3429 cm⁻¹ in an FTIR spectrum?
A band near 3429 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
可能的官能基指派
| 官能基 | 支持事實 | 引用來源 | 最高信心 |
|---|---|---|---|
| Hydroxyl (O-H) | 3 | 3 | 0.9 |
| Silanol (Si-OH) | 1 | 1 | 0.9 |
| Hydrogen bond | 1 | 1 | 0.7 |
排名反映累積的文獻證據，而非單一權威規則。請務必根據您的樣品背景進行確認。
這些指派背後的文獻
-
Hydroxyl (O-H) 信心 0.9
“Text states 'bands at 3429, 1076, and 798 which correspond to OH functional gr'”
Arizka 等 - 2019 - Synthesis and Physical Properties Characterization DOI: 10.1088/1757-899X/546/4/042004 -
Hydroxyl (O-H) 信心 0.9
“Band indicates presence of OH functional groups.”
Zheng 等 - 2016 - Microwave regeneration of spent activated carbon f DOI: 10.1039/c6ra05211h -
Hydroxyl (O-H) 信心 0.9
“stretching vibration of -OH”
Hu 等 - 2022 - Preparation and Characterization of Biochar from F DOI: 10.15376/biores.17.4.6464-6475 -
信心 0.9
“Band at 3429 cm-1 assigned to free aromatic N-H group.”
Simic 等 - 2003 - Highly cooperative formation of bis-urea based sup DOI: 10.1021/ja037589x -
Silanol (Si-OH) 信心 0.9
“band at 3429 assigned to Si-OH”
Zou 等 - 2020 - Preparation of Immobilized Lipase on Silica Clay a DOI: 10.3390/catal10111266 -
信心 0.8
“Medium intensity band at 3429 assigned to stretching.”
Singh 和 Ahmad - 2017 - Antioxidant Activity of Essential Oil Extracted by DOI: 10.3390/medicines4030053 -
信心 0.8
“assigned to oxygen-containing functional groups O-H”
Tsai 等 - 2023 - Effect of Alkaline Pretreatment on the Fuel Proper DOI: 10.3390/en16020679 -
Hydrogen bond 信心 0.7
“Band at 3429 cm-1 shifted to 3442 cm-1 under B deficiency.”
Dong 等 - 2018 - Changes in chemical composition and structure of r DOI: 10.1080/14620316.2017.1362327
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