What absorbs at 3278 cm⁻¹ in an FTIR spectrum?
A band near 3278 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 |
| Amide | 2 | 1 | 0.9 |
| N h | 1 | 1 | 0.9 |
| Water (H2O) | 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
“Explicit assignment: 'band observed in the spectrum of L. digitata at 3278 cm-1 corresponds to O-H vibration'”
Wang 等 - 2018 - A Comparison of Palladium Sorption Using Polyethyl DOI: 10.3390/app8020264 -
Hydroxyl (O-H) 信心 0.9
“Broadband at 3277.76 cm-1 assigned to OH stretching.”
Amin 等 - 2019 - Characterization and performance analysis of compo DOI: 10.1016/j.heliyon.2019.e02009 -
Water (H2O) 信心 0.9
“Explicit assignment in text.”
Cloete 等 - 2023 - Multidimensional Profiling of Human Body Hairs Usi DOI: 10.3390/ijms24044166 -
信心 0.9
“Explicit assignment to thickener NEVEK.”
Macchia 等 - 2022 - In-Situ Comparative Study of Eucalyptus, Basil, Cl DOI: 10.3390/mps5030037 -
Hydroxyl (O-H) 信心 0.9
“Explicit assignment: 'typical bands for the hydroxy group 3278 cm-1'”
Rueda-Rueda 等 - 2020 - DOI: 10.15446/dyna.v87n214.83737 -
Amide 信心 0.8
“Band at 3278 cm-1 assigned to amide stretching.”
Monsalve 等 - 2010 - Lipase-catalyzed synthesis and characterization of DOI: 10.1016/j.polymer.2010.04.071
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