What absorbs at 3402 cm⁻¹ in an FTIR spectrum?
A band near 3402 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 6 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) | 2 | 2 | 1.0 |
| N h | 2 | 2 | 0.9 |
| Amide | 1 | 1 | 0.9 |
| Hydrogen bond | 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
-
Hydroxyl (O-H) 信心 1.0
“Explicit assignment in text.”
Mangeli 等 - 2021 - Decontamination of fenitrothion from aqueous solut DOI: 10.1007/s40201-021-00706-w -
Hydrogen bond 信心 0.9
“Explicitly stated: 3402cm-1 of hydrogen bonding.”
Xiao 等 - 2020 - Preparation and characterization of broken-rice st DOI: 10.1016/j.ijbiomac.2020.05.182 -
N h 信心 0.9
“Text: 'N-H stretching band is shown by the peak at 3402 cm'.”
Adeniyi 等 - 2022 - Evaluating the nature of captured exhaust soot fro DOI: 10.24200/sci.2021.57008.5017 -
Hydroxyl (O-H) 信心 0.9
“overlapping of -OH and -NH stretching vibrations”
Chen 等 - 2022 - Preparation and Characterization of Nano-Selenium DOI: 10.3390/md20030172 -
Amide 信心 0.9
“Text: '3350/3402 (amide A)'”
Huang 等 - 2018 - Characterization and Antioxidant and Angiotensin I DOI: 10.3390/md16100346 -
信心 0.9
“Explicit assignment in text.”
Ismaeilimoghadam 等 - 2022 - Effect of Nanocellulose Types on Microporous Acryl DOI: 10.3390/jfb13040273
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