FTIR峰解读
What absorbs at 1789 cm⁻¹ in an FTIR spectrum?
A band near 1789 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 3 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 |
|---|---|---|---|
| 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 |
| Carbohydrate | 1 | 1 | 1.0 |
| Fatty acid | 1 | 1 | 1.0 |
| Anhydride | 1 | 1 | 0.9 |
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
-
Fatty acid 置信度 1.0
“The region between 1789 cm-1 cm-1 341 and 1263 is a mixed region containing vibrational bands of fatty acids, proteins and”
Rheological, micro-structural and sensorial properties of camel milk yogurt as influenced by gelatin DOI: 10.1016/j.lwt.2018.09.008 -
Carbohydrate 置信度 1.0
“The absorption band of 1789 has been assigned to the galactosyl carbohydrate residues.”
Egyptian Opuntia ficus-indica (OFI) Residues: Recovery and Characterization of Fresh Mucilage from Cladodes DOI: 10.3390/horticulturae9070736 -
Anhydride 置信度 0.9
“Text states 'newly formed anhydride peaks at 1859 and 1789 cm-l'.”
Ha 等 - 2001 - Spectroscopic stuides on the liquid crystal alignm DOI: 10.1080/10587250108028259
是否有此波段的光谱？
上传您的FTIR光谱，几秒钟内即可获得完整的解读报告——包含带文献引用的峰分配、库匹配和带有置信度评级的证据链。
解读我的光谱