FTIR 峰位解讀
What absorbs at 2289 cm⁻¹ in an FTIR spectrum?
A band near 2289 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 1 cited source
可能的官能基指派
| 官能基 | 支持事實 | 引用來源 | 最高信心 |
|---|---|---|---|
| Methacrylate | 1 | 1 | 1.0 |
| Ketone | 1 | 1 | 1.0 |
| Ester | 1 | 1 | 1.0 |
| Carboxyl (COOH) | 1 | 1 | 1.0 |
| Carbonyl (C=O) | 1 | 1 | 1.0 |
| Amide | 1 | 1 | 1.0 |
| Acetate | 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
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Acetate 信心 1.0
“Thus, an intense peak at 285.2 eV corresponded to bonding C-C, the broad peak at 286.4 eV was due to C-OH and C-O-C bonds, while the peak at CO2289 eV corresponded to the O-C=O bond or carbonate contamination [54].”
Humidity Effect on Low-Temperature NH3 Sensing Behavior of In2O3/rGO Composites under UV Activation DOI: 10.3390/s23031517
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