What absorbs at 3328 cm⁻¹ in an FTIR spectrum?
A band near 3328 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 8 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) | 9 | 9 | 0.9 |
| N h | 5 | 5 | 0.95 |
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
-
N h 信心 0.95
“Explicit assignment: stretching vibration of -NH groups.”
Cui 等 - 2020 - Developing Further Versatility in Benzoxazine Synt DOI: 10.3390/polym12030694 -
Hydroxyl (O-H) 信心 0.9
“Assigned to O-H stretching vibration from cellulose.”
Hassan 和 Badri - 2014 - Lignin Recovery from Alkaline Hydrolysis and Glyce DOI: 10.1063/1.4895236 -
Hydroxyl (O-H) 信心 0.9
“stretching frequency of OH group”
Prema 等 - 2017 - CMC stabilized nano silver synthesis, characteriza DOI: 10.1016/j.carbpol.2016.11.083 -
Hydroxyl (O-H) 信心 0.9
“Snippet: 'peak at 3328 ... O-H can be seen overlapping with N-H peak'.”
Rahman 等 - 2019 - Synthesis and characterizations of o-nitrochitosan DOI: 10.1371/journal.pone.0212066 -
N h 信心 0.9
“Explicit assignment: 'peaks at 3328 (N-H properties)'”
Bi 和 Huang - 2021 - Preparation, morphology, FTIR and performance prop DOI: 10.1186/s10086-021-01984-6 -
Hydroxyl (O-H) 信心 0.9
“Explicit assignment in text.”
Blaquera 等 - 2023 - Oil Adsorption Kinetics of Calcium Stearate-Coated DOI: 10.3390/polym15020452 -
Hydroxyl (O-H) 信心 0.9
“Peak at 3328.21 cm-1 attributed to OH stretching vibrations.”
El-araby 等 - 2022 - Usage of biological chitosan against the contamina DOI: 10.3389/fsufs.2022.881434 -
信心 0.9
“Explicit assignment in text.”
Estela-Escalante 等 - 2020 - The Potential of Using Grapefruit Peel as a Natura DOI: 10.15255/CABEQ.2020.1808
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