FTIR峰解读
What absorbs at 3475 cm⁻¹ in an FTIR spectrum?
A band near 3475 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
可能的官能团归属
| 官能团 | 支持性事实 | 引用来源 | 最高置信度 |
|---|---|---|---|
| Hydroxyl (O-H) | 4 | 3 | 1.0 |
| Carbohydrate | 1 | 1 | 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
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Carbohydrate 置信度 1.0
“From Figure 3, the IR peak observed at 3475 is due to cellulose -OH stretching vibrations.”
Emeje 等 - 2020 - Physicochemical and drug release properties of mic DOI: 10.1590/0104-1428.07418 -
Hydroxyl (O-H) 置信度 1.0
“The peak at 1373 was attributed to - cm-1 CH bending vibrations and the peak at 3475 was associated to -O-H stretching vibrations.”
Phosphorylated microcapsules containing natural oil for potential self-healing use DOI: 10.1016/j.matpr.2021.05.093 -
Hydroxyl (O-H) 置信度 0.9
“OH stretching region for hydroxyledgrewite”
Edgrewite Ca9(SiO4)4F2-hydroxyledgrewite Ca9(SiO4)4(OH)2, a new series of calcium humite-group minerals from altered xenoliths in the ignimbrite of Upper Chegem caldera, Northern Caucasus, Kabardino-Balkaria, Russia DOI: 10.2138/am.2012.4161
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