What absorbs at 3290 cm⁻¹ in an FTIR spectrum?
A band near 3290 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) | 9 | 9 | 1.0 |
| N h | 3 | 3 | 0.9 |
| Protein | 2 | 2 | 0.9 |
| Amine primary | 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
“Stretching vibration of OH groups from hydroxyproline units.”
Leu Alexa 等 - 2021 - 3D-Printed Gelatin Methacryloyl-Based Scaffolds wi DOI: 10.3390/polym13050727 -
Hydroxyl (O-H) 信心 0.9
“Text: 'influencing 3290cm-1, which is associated with O-H stretching.'”
Bryant 等 - 2023 - Variable lignin structure revealed in Populus leav DOI: 10.1039/d3ra03142j -
Hydroxyl (O-H) 信心 0.9
“Peak at 3290 cm-1 characteristic of stretching of -OH groups.”
Daudt 等 - 2017 - Development of edible films based on Brazilian pin DOI: 10.1016/j.foodhyd.2017.04.033 -
Hydroxyl (O-H) 信心 0.9
“Explicit assignment: 'hydroxyl group stretching peak at 3290'.”
Shalu 等 - 2018 - Solvent assisted improvement of the dielectric pro DOI: 10.1016/j.mee.2018.07.002 -
Protein 信心 0.9
“Broad band centred at about 3290 cm-1 assigned to N-H and O-H stretching.”
Biancolillo 等 - 2020 - Geographical discrimination of red garlic (Allium DOI: 10.1002/cem.785 -
Hydroxyl (O-H) 信心 0.9
“characteristic bands of O-H at 3290 cm-1”
Brito 等 - 2023 - Influence of Reduction with NaBH4 and HCl in Obtai DOI: 10.3390/polym15132856 -
Amine primary 信心 0.9
“Explicit assignment in text”
Dong 等 - 2009 - Quinoline Group Modified Carbon Nanotubes for the DOI: 10.1007/s11671-008-9248-8 -
N h 信心 0.9
“stretching of the -NH group”
Judith Valdez-Alegria 等 - 2020 - Synthesis of Chitosan-Polyvinyl Alcohol Biopolymer DOI: 10.3390/biom10010156
有包含此波峰的圖譜嗎？
上傳您的FTIR圖譜，幾秒內即可獲得完整的解讀報告——包含帶有文獻引用的峰位指派、圖譜庫比對以及信心等級評估的證據鏈。
解讀我的圖譜