FTIR 峰位解讀
What absorbs at 2890 cm⁻¹ in an FTIR spectrum?
A band near 2890 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 |
|---|---|---|---|
| Alkyl C-H | 5 | 5 | 1.0 |
| Hydroxyl (O-H) | 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
-
Alkyl C-H 信心 1.0
“Explicit assignment in text: 'cm-1 2890 is the stretching vibration of CH'”
Li 等 - 2020 - GlycerinNaOH Aqueous Solution as a Green Solvent DOI: 10.3390/polym12081735 -
Alkyl C-H 信心 1.0
“Explicit assignment: 2890 cm-1 (C-H asymmetric stretch).”
Mohomane 等 - 2021 - EFFECT OF SILICA ON ALKALINE BAGASSE CELLULOSE AND DOI: 10.37763/wr.1336-4561/66.1.8594 -
Hydroxyl (O-H) 信心 0.9
“Explicit assignment: O-H stretching peak of NaC.”
Niaz 等 - 2020 - Alginate-caseinate based pH-responsive nano-coacer DOI: 10.1016/j.ijbiomac.2019.11.177 -
Alkyl C-H 信心 0.9
“Text: 'CH-band around 2890'”
Gunnarsson 等 - 2021 - On the interference of urea with CO2CO32chemist DOI: 10.1016/j.carbpol.2020.117059 -
Alkyl C-H 信心 0.9
“explicit assignment”
Jiang 等 - 2021 - Preparation of Polyurethane Adhesives from Crude a DOI: 10.3390/polym13193267 -
Alkyl C-H 信心 0.9
“Text: '-CH stretching peak was observed at 2890'.”
Tandekar 等 - 2022 - Fe(III)-Chitosan Microbeads for Adsorptive Removal DOI: 10.3390/min12070874
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