FTIR 峰位解讀
What absorbs at 1774 cm⁻¹ in an FTIR spectrum?
A band near 1774 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
可能的官能基指派
| 官能基 | 支持事實 | 引用來源 | 最高信心 |
|---|---|---|---|
| Carbonyl (C=O) | 2 | 1 | 0.9 |
| Ester | 2 | 1 | 0.9 |
| Amide | 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
-
Ester 信心 0.9
“Explicit assignment: '1774 ... showing phthalate ester peak'”
Nugraeni 等 - 2018 - Preparation of Proton Exchange Membrane based on C DOI: 10.1063/1.5082482 -
Amide 信心 0.9
“Explicitly stated: protein amide I region, 1774-1576 cm-1.”
Xin 等 - 2013 - Using Synchrotron Radiation-Based Infrared Microsp DOI: 10.3390/ijms140816706 -
Carbonyl (C=O) 信心 0.9
“stretching vibration of C=O”
Luan 等 - 2018 - Antioxidant Activity and Antifungal Activity of Ch DOI: 10.3390/polym10040395
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