What absorbs at 3284 cm⁻¹ in an FTIR spectrum?
A band near 3284 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) | 4 | 4 | 0.9 |
| N h | 2 | 2 | 1.0 |
| Protein | 2 | 2 | 0.8 |
| Carbohydrate | 1 | 1 | 0.8 |
| Amino acid | 1 | 1 | 0.8 |
| Water (H2O) | 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
-
N h 信心 1.0
“High intensity band assigned to NH.”
Ilic-Stojanovic 等 - 2018 - Thermosensitive hydrogels for modified release of DOI: 10.1080/00914037.2017.1354202 -
Hydroxyl (O-H) 信心 0.9
“Band at 3284 cm-1 assigned to -OH stretching.”
Caliman 等 - 2023 - Gellan Gum-Montmorillonite Nanocomposites for Elec DOI: 10.3390/coatings13020350 -
Hydroxyl (O-H) 信心 0.9
“Band associated with OH of PVA structure.”
Abd-Elnaiem 等 - 2023 - Improvement of Optical Properties of Functionalize DOI: 10.1007/s10904-023-02616-w -
N h 信心 0.9
“Explicit assignment in text: '3,284-3,287 cm-1 for N-H stretching vibrations'”
Che 等 - 2019 - Investigations on Aging Behavior and Mechanism of DOI: 10.3390/ma12213636 -
信心 0.9
“Text: 'acetylene, centered at 3284'”
Hodoroaba 等 - 2018 - Carbon 'fluffy' aggregates produced by helium-hydr DOI: 10.18434/T4D303 -
Hydroxyl (O-H) 信心 0.8
“Peak at 3284 cm-1 attributable to hydrogen-bonded OH stretching.”
Azeez 等 - 2020 - Functionalization of Rice Husks with Ortho-Phospho DOI: 10.1007/s42250-020-00142-7 -
Water (H2O) 信心 0.8
“Text mentions 'reduction in peak intensity at 3284 was observed with decreasing moisture content'.”
Deshwal 等 - 2020 - Effect of spray and freeze drying on physico-chemi DOI: 10.1016/j.lwt.2020.110117 -
Amino acid 信心 0.8
“Derived from these components.”
Luan 等 - 2020 - Spectral characteristics on increasing hydrophilic DOI: 10.1016/j.saa.2020.118350
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