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 8 cited sources
Gán nhóm chức có thể
| Nhóm chức | Sự kiện hỗ trợ | Nguồn tham khảo | Độ tin cậy cao nhất |
|---|---|---|---|
| Hydroxyl (O-H) | 9 | 9 | 1,0 |
| N h | 1 | 1 | 1,0 |
| Alkyl C-H | 1 | 1 | 1,0 |
| Hydrogen bond | 1 | 1 | 1,0 |
| Water (H2O) | 1 | 1 | 1,0 |
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Tài liệu tham khảo đằng sau các gán này
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Hydroxyl (O-H) độ tin cậy 1,0
“A cm-1 This has also been confirmed from the FTIR analysis, where the absence of a band at 3468 M cm-1 and the appearance of 668.56 were associated with O-H and O-Ag moieties respectively.”
Haq 等 - 2018 - Fabrication of pure and moxifloxacin functionalize DOI: 10.1016/j.jphotobiol.2018.07.011 -
Alkyl C-H độ tin cậy 1,0
“cm-1 The FTIR spectrum of Ch membrane shows that broadband at around 3468 corresponds to the cm-1 stretching vibrations of -OH and N-H groups.”
Rupiasih 等 - 2019 - The Current-Voltage Properties of ChAgNP Composit DOI: 10.1088/1757-899X/515/1/012064 -
Hydroxyl (O-H) độ tin cậy 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) độ tin cậy 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) độ tin cậy 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) độ tin cậy 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) độ tin cậy 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 độ tin cậy 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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