FTIR 峰位解讀
What absorbs at 3302 cm⁻¹ in an FTIR spectrum?
A band near 3302 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 5 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 |
| N h | 2 | 2 | 0.9 |
| Amide | 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
-
N h 信心 0.9
“Amide peak at 3302 cm-1 corresponding to -NH bond stretching.”
Salehi-Mobarakeh 等 - 2013 - Polyamide grafting onto ethylene-vinyl alcohol cop DOI: 10.1515/polyeng-2013-0104 -
Hydroxyl (O-H) 信心 0.9
“Broad band centered at 3302 cm-1 corresponds to sugar residue ν-OH groups stretching vibration (-H bonded).”
Banerjee 等 - 2022 - Optimization and Characterization of a Novel Exopo DOI: 10.3390/biom12060834 -
Amide 信心 0.9
“Explicit assignment: amide A due to NH stretching (3302 cm-1)”
Ooi 等 - 2020 - Physicochemical Characterization of Bilayer Hybrid DOI: 10.3390/ma13194352 -
Hydroxyl (O-H) 信心 0.9
“Refers to O-H axial stretching.”
Silva 等 - 2022 - Development of a Polymeric Membrane Impregnated wi DOI: 10.3390/molecules27206959 -
Hydroxyl (O-H) 信心 0.9
“Explicit assignment: 'A broad peak at 3302 was attributed to the O-H'”
Tang 等 - 2019 - Study on Preparation and Separation and Adsorption DOI: 10.3390/polym11111737
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