What absorbs at 3414 cm⁻¹ in an FTIR spectrum?
A band near 3414 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) | 4 | 4 | 1.0 |
| N h | 1 | 1 | 0.9 |
| Carboxyl (COOH) | 1 | 1 | 0.8 |
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 in text: 'attributed to O-H stretching vibrations'”
Tang 等 - 2021 - Preparation of Cellulose Nanoparticles from Foliag DOI: 10.3390/ma14164557 -
信心 1.0
“Same sentence includes both peaks as corresponding to the same group.”
Vadlapudi 和 Amanchy - 2017 - Phytofabrication of silver nanoparticles using Myr DOI: 10.1590/1678-4324-2017160329 -
Hydroxyl (O-H) 信心 0.9
“Text states peak at 3414 cm-1 attributed to OH stretching.”
Oyeyinka 等 - 2015 - Physicochemical properties of starches with variab DOI: 10.1016/j.carbpol.2015.06.100 -
Hydroxyl (O-H) 信心 0.9
“Band at 3414.0 cm-1 indicates (-OH) stretching group.”
Mian 等 - 2022 - Utilization of Biomass (Eucalyptus Lanceolata) as DOI: 10.29356/jmcs.v66i4.1667 -
N h 信心 0.9
“attributed to both N-H and O-H bonds stretching vibrations”
Valiey 和 Dekamin - 2022 - Design and characterization of an urea-bridged PMO DOI: 10.1038/s41598-022-22905-7 -
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
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