FTIR峰解读
What absorbs at 3272 cm⁻¹ in an FTIR spectrum?
A band near 3272 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 4 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 |
|---|---|---|---|
| Hydroxyl (O-H) | 2 | 2 | 1.0 |
| Alkyl C-H | 2 | 1 | 1.0 |
| Water (H2O) | 1 | 1 | 1.0 |
| Amine primary | 1 | 1 | 0.8 |
| N h | 1 | 0 | 1.0 |
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
-
Water (H2O) 置信度 1.0
“LLM confirmed rule peak-group candidate”
Characterization of Modified Tapioca Starch in Atmospheric Argon Plasma under Diverse Humidity by FTIR Spectroscopy DOI: 10.1088/0256-307X/30/1/018103 -
Hydroxyl (O-H) 置信度 1.0
“cm-1 above 2000 The peaks at 3272 and 2940 correspond to O-H and C-H stretching of PVA, can be seen, equal times (means equal fused volrespectively.”
Butylina 等 - 2022 - Study on spinnability of arabinoxylan extracted fr DOI: 10.1007/s10570-022-04761-w -
Amine primary 置信度 0.8
“Main N-H stretching of primary amines”
High iodine adsorption by polyethyleneimine impregnated nanosilica sorbents DOI: 10.1016/j.micromeso.2019.109586 -
Hydroxyl (O-H) 置信度 0.8
“Maximum absorption band at 3272 cm-1 for hydroxyl group vibrations.”
Catalytic Design of Matrix-Isolated Ni-Polymer Composites for Methane Catalytic Decomposition DOI: 10.3390/polym15112534
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