What absorbs at 3334 cm⁻¹ in an FTIR spectrum?
A band near 3334 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) | 6 | 6 | 1.0 |
| N h | 2 | 2 | 0.9 |
| Amine primary | 1 | 1 | 0.9 |
| Carbohydrate | 1 | 1 | 0.9 |
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 1.0
“Explicit assignment: 'stretching vibration of O-H'”
Hu 等 - 2021 - Pyrolytic Characteristics and Kinetics of Guanzhon DOI: 10.1016/j.fuel.2014.01.014 -
N h 信心 0.9
“Explicit assignment: 'peak at 3334 which could be regarded to the formation of urethane N-H stretching'”
Salem 和 Salama - 2020 - Developing a New Class of UV-curable Polyurethane DOI: 10.21608/ejchem.2019.14853.1906 -
Carbohydrate 信心 0.9
“Explicit assignment in text.”
Sangsuk 等 - 2023 - Production of non-activated biochar based on Biden DOI: 10.1016/j.heliyon.2023.e15766 -
Hydroxyl (O-H) 信心 0.9
“Stretching vibration of hydroxyl group in polysaccharides.”
Abdel-Hamied 等 - 2022 - Potential effects of nano-cellulose and nano-silic DOI: 10.1038/s41598-022-23907-1 -
Hydroxyl (O-H) 信心 0.9
“Explicit assignment in text.”
Alghooneh 等 - 2017 - Characterisation of cellulose from coffee silversk DOI: 10.1080/10942912.2016.1253097 -
Amine primary 信心 0.9
“Another forked absorption band assigned to -NH2 stretching.”
Amin 等 - 2023 - An Intragastric Delivery Device Employing FDM Tech DOI: 10.1208/s12249-023-02578-9 -
Hydroxyl (O-H) 信心 0.9
“Explicit assignment in text.”
Gutierrez 等 - 2017 - Nano-clays from natural and modified montmorilloni DOI: 10.1016/j.matchemphys.2017.03.052 -
Hydroxyl (O-H) 信心 0.9
“O-H stretch”
Sankar 和 Ramesan - 2022 - Synthesis, characterization, conductivity, and gas DOI: 10.21203/rs.3.rs-1484974/v1
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