What absorbs at 3468 cm⁻¹ in an FTIR spectrum?
A band near 3468 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 7 cited sources
Attributions possibles de groupes fonctionnels
| Groupe fonctionnel | Faits à l＇appui | Sources citées | Confiance maximale |
|---|---|---|---|
| Hydroxyl (O-H) | 6 | 6 | 1,0 |
| Hydrogen bond | 1 | 1 | 1,0 |
| Water (H2O) | 1 | 1 | 1,0 |
Le classement reflète les preuves bibliographiques accumulées, et non une règle faisant autorité. Confirmez toujours dans le contexte de votre échantillon.
Bibliographie derrière ces attributions
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Hydroxyl (O-H) confiance 1,0
“LLM confirmed rule peak-group candidate”
Rupiasih 等 - 2019 - The Current-Voltage Properties of ChAgNP Composit DOI: 10.1088/1757-899X/515/1/012064 -
Hydroxyl (O-H) confiance 1,0
“The band assigned 3468 and whereas OH bending of the phenol function was at 1383 The band assigned cm-1, to the stretching C=O vibration of the carboxylic group is located at 1726 cm-1, whereas the band at to the stretching C=O vibration of”
Synthesis of Bioactive Chlorogenic Acid-Silica Hybrid Materials via the Sol–Gel Route and Evaluation of Their Biocompatibility DOI: 10.3390/ma10070840 -
Hydroxyl (O-H) confiance 1,0
“The cm-1 peak at 1638 represents the bending vibration of molecularly adsorbed water, while a cm-1 broad band centered near 3468 is attributed to hydroxyl stretching vibrations.”
Fabrication of Europium-Doped Barium Titanate/Polystyrene Polymer Nanocomposites Using Ultrasonication-Assisted Method: Structural and Optical Properties DOI: 10.3390/polym14214664 -
Hydroxyl (O-H) confiance 1,0
“The peak formation at 3468 cm-1 indicates the OH stretch which is due cm-1”
Characterization and Suitability of Nigerian Barites for Different Industrial Applications DOI: 10.3390/min11040360 -
Water (H2O) confiance 1,0
“The observed wide cm-1 low-intensity band of approximately 3468 is related to the stretching of the OHcm-1 group of the water adsorbed on the polymer surface.”
Composite Cement Materials Based on -Tricalcium Phosphate, Calcium Sulfate, and a Mixture of Polyvinyl Alcohol and Polyvinylpyrrolidone Intended for Osteanagenesis DOI: 10.3390/polym15010210 -
Hydroxyl (O-H) confiance 1,0
“The increasing of the LA-to-GA cm-1 cm-1 as well as the O-H stretching vibration at 3468 ratio elevated T owing to rising hydrophobic interactions”
Assessment of the Effect of PLGA Co-polymers and PEG on the Formation and Characteristics of PLGA-PEG-PLGA Co-block Polymer Using Statistical Approach DOI: 10.15171/apb.2019.045 -
Hydrogen bond confiance 1,0
“The adsorption bands at 3468 (Figure 17a) are absorption band of intermolecular hydrogen bonding between phenol and alcohol molecules.”
Radioactive Cobalt(II) Removal from Aqueous Solutions Using a Reusable Nanocomposite: Kinetic, Isotherms, and Mechanistic Study DOI: 10.3390/ijerph14121453
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