What absorbs at 3341 cm⁻¹ in an FTIR spectrum?
A band near 3341 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 6 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 | 1.0 |
| Oxygen heterocycle | 1 | 1 | 1.0 |
| N n bond | 1 | 1 | 1.0 |
| N h | 1 | 1 | 1.0 |
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
“35-37] Table 1 FTIR peaks corresponding to the source [15, (cm-1) Vibration Source Wavenumber O-H 3341 stretch Polysaccharides”
Modification of hemp shiv properties using water-repellent sol–gel coatings DOI: 10.1007/s10971-018-4621-2 -
N h 信心 1.0
“LLM confirmed rule peak-group candidate”
An Amperometric Acetylcholine Biosensor Based on Co-Immobilization of Enzyme Nanoparticles onto Nanocomposite DOI: 10.3390/bios13030386 -
N n bond 信心 1.0
“11.3 stretching (5) Si-O asymmetric 1154 1144 1130 1167 stretching (6) N-H(cid:5)(cid:5)(cid:5)N stretching 3341 3345 3351 3358 that there are no N-N and H-H bonds present in the (7) N-H stretching 3389 3396 3399 3403”
Ay 和 Aydinli - 2004 - Comparative investigation of hydrogen bonding in s DOI: 10.1016/j.optmat.2003.12.004 -
Hydroxyl (O-H) 信心 1.0
“LLM confirmed rule peak-group candidate”
Jambrekovic 等 - 2022 - Viscoelastic and Thermal Properties of Styrene Mod DOI: 10.3390/polym14040786 -
Oxygen heterocycle 信心 1.0
“A relatively wide band centered at a 3341 cm-1 peak is Figure 4 shows the FTIR spectra of ubim fiber in association with absorption bands The epoxy bands and corresponding functional groups reported in the literature [44,45] are typical of”
Ballistic Performance, Thermal and Chemical Characterization of Ubim Fiber (Geonoma baculifera) Reinforced Epoxy Matrix Composites DOI: 10.3390/polym15153220 -
Hydroxyl (O-H) 信心 1.0
“LLM confirmed rule peak-group candidate”
Maize Stalk Material for On-Site Treatment of Highly Polluted Leachate and Mine Wastewater DOI: 10.3390/ma14040956
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