What absorbs at 3441 cm⁻¹ in an FTIR spectrum?
A band near 3441 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 |
| Amide | 1 | 1 | 0.9 |
| Carboxyl (COOH) | 1 | 1 | 0.8 |
| N h | 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 1.0
“Explicit assignment.”
Nadal 等 - 2018 - A Simple and High-yield Synthesis of Hexadecyl Fer DOI: 10.1590/1678-4324-2018170809 -
信心 0.95
“Same as above.”
Jadhav 等 - 2017 - Thermoresponsive copolymer-grafted SBA-15 porous s DOI: 10.3144/expresspolymlett.2017.11 -
Hydroxyl (O-H) 信心 0.9
“Explicitly stated.”
Fabbiyola 等 - 2017 - Optical and magnetic properties of Ni-doped ZnO na DOI: 10.1016/j.jallcom.2016.10.022 -
Hydroxyl (O-H) 信心 0.9
“Explicit assignment: peak at 3441 cm-1 corresponds to O-H group.”
Yazhiniprabha 和 Vaseeharan - 2019 - In vitro and in vivo toxicity assessment of seleni DOI: 10.1016/j.msec.2019.109763 -
Amide 信心 0.9
“Attributed to N-H bending.”
Shah 等 - 2021 - Efficient removal of 2-chlorophenol from aqueous s DOI: 10.1007/s13201-021-01372-x -
Hydroxyl (O-H) 信心 0.9
“attributed to O-H stretching vibration”
Xiao 等 - 2021 - Effect of Molecular Weight and Degree of Substitut DOI: 10.3390/polym13193291 -
Carboxyl (COOH) 信心 0.8
“Range 3441-3414 cm-1 assigned to carboxylic groups.”
Negim 等 - 2016 - Preparation and Characterization of Acrylic Primer DOI: 10.1155/2016/1754168 -
Hydroxyl (O-H) 信心 0.8
“Explicit assignment: 'strong peak at 3441.00 explained OAH'”
Shankar 等 - 2021 - Biomedical and therapeutic potential of exopolysac DOI: 10.1016/j.sjbs.2021.02.030
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