What absorbs at 3370 cm⁻¹ in an FTIR spectrum?
A band near 3370 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) | 8 | 8 | 1.0 |
| N h | 3 | 3 | 0.9 |
| Water (H2O) | 2 | 2 | 0.95 |
| Phenolic | 1 | 1 | 0.8 |
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
-
Hydroxyl (O-H) 信心 1.0
“Explicit assignment: 'peaks at 3370 and 3622 are corresponding to the OH'.”
Rahman 等 - 2020 - Fabrication of selective and sensitive chemical se DOI: 10.1038/s41598-020-76662-6 -
Water (H2O) 信心 0.95
“Explicit: 'broad peaks at 3370 and 1630 cm-1 correspond to water contained in the membrane.'”
Vega 等 - 2010 - Effect of hydroxide and carbonate alkaline media o DOI: 10.1016/j.jpowsour.2010.05.030 -
信心 0.95
“Explicit assignment: 'infrared band at 3370 which corresponds to the free hydroxyl groups of KL'”
Di Francesco 等 - 2022 - A New Family of Renewable Thermosets Kraft Lignin DOI: 10.1002/cssc.202200326 -
Hydroxyl (O-H) 信心 0.95
“Explicit assignment: 'the absorption at 3370 cm-1 suggested the characteristic peaks of -OH bonds present in meso-TiO2'”
Wang 等 - 2018 - Corrosion Resistance of Waterborne Epoxy Coatings DOI: 10.3390/coatings8060209 -
Hydroxyl (O-H) 信心 0.9
“Text: 'O-H stretching at 3370'.”
Gunlazuardi 等 - 2021 - Magnetically Separable Fe3O4SiO2TiO2 Photocataly DOI: 10.7454/mss.v25i4.1277 -
Hydroxyl (O-H) 信心 0.9
“Explicit assignment: 'observed at 3370 cm-1 are assigned to O-H stretching vibrations'.”
Agatonovic-Kustrin 等 - 2021 - HPTLC and ATRFTIR Characterization of Antioxidant DOI: 10.3390/molecules26196064 -
N h 信心 0.9
“Explicit assignment in text”
Brzeska 等 - 2022 - Susceptibility to Degradation in Soil of Branched DOI: 10.3390/polym14102086 -
Water (H2O) 信心 0.9
“Text: 'bound water (bands at 3370 and 1630-1640 cm-1)'”
Ion 等 - 2023 - Archaeometric Investigations of the Chalcolithic P DOI: 10.3390/coatings13030488
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