FTIR峰解读
What absorbs at 1780 cm⁻¹ in an FTIR spectrum?
A band near 1780 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 4 cited sources
可能的官能团归属
| 官能团 | 支持性事实 | 引用来源 | 最高置信度 |
|---|---|---|---|
| Carbonyl (C=O) | 4 | 3 | 0.9 |
| Lipid | 1 | 1 | 0.8 |
| Phospholipid | 1 | 1 | 0.8 |
排名反映了累积的文献证据，而非单一的权威规则。请始终对照您的样品背景进行确认。
这些分配背后的文献
-
Carbonyl (C=O) 置信度 0.9
“C=O groups detected as a peak at ca 1780 cm-1.”
Witono 等 - 2022 - Torque measurement as a tool to monitor the breakd DOI: 10.1016/j.rechem.2022.100314 -
Carbonyl (C=O) 置信度 0.9
“Range 1780-1620 cm-1 assigned to carbonyl group (amide I).”
Brzeska 等 - 2018 - Branched Polyurethanes Based on Synthetic Polyhydr DOI: 10.3390/polym10080826 -
Carbonyl (C=O) 置信度 0.9
“Explicit: 'absorption peaks of the vibrations at 1780 ... of carbonyl (-C=O) from MA'.”
Rodrigues 等 - 2023 - Enhancing the Interface Behavior on Polycarbonate DOI: 10.3390/polym15071773 -
Phospholipid 置信度 0.8
“Text states shifts of peaks at 650 and 1780 correspond to phospholipids and lipids.”
Depciuch 和 Parlinska-Wojtan - 2018 - Comparing dried and liquid blood serum samples of DOI: 10.1016/j.jpba.2017.11.074
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