What absorbs at 3342 cm⁻¹ in an FTIR spectrum?
A band near 3342 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
可能的官能团归属
| 官能团 | 支持性事实 | 引用来源 | 最高置信度 |
|---|---|---|---|
| Hydroxyl (O-H) | 3 | 3 | 0.95 |
| N h | 3 | 2 | 0.9 |
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
-
Hydroxyl (O-H) 置信度 0.95
“Text: 'broad band centered at 3342.41 corresponding to the O-H stretch'”
Tavares 等 - 2016 - Conductive Paper with Antibody-Like Film for Elect DOI: 10.1038/srep26132 -
置信度 0.9
“Band around 3342 due to stretching of chitosan.”
Arikibe 等 - 2019 - pH-Responsive Studies of Bacterial CelluloseChito DOI: 10.1002/slct.201902290 -
Hydroxyl (O-H) 置信度 0.9
“Explicit assignment: hydroxide stretching peaks at 3342 cm-1.”
Glass 和 Prakash - 2018 - Effect of pH on the Reduction of Graphene Oxide on DOI: 10.1002/elan.201800177 -
Hydroxyl (O-H) 置信度 0.9
“Explicit assignment in text: '3342 (O-H bond)'”
Naseriyeh 等 - 2023 - Glycyrrhizic acid delivery system Chitosan-coated DOI: 10.14715/cmb/2023.69.4.1 -
N h 置信度 0.9
“explicit assignment”
Tao 等 - 2020 - Salumycin, a New Pyrazolequinone from aStreptomyce DOI: 10.3390/molecules25184098 -
N h 置信度 0.7
“Peak region for valsartan and sacubitril amide νNH band.”
Liu 等 - 2020 - Study on Co-Crystallization of LCZ696 Using In Sit DOI: 10.3390/cryst10100922
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