What absorbs at 3621 cm⁻¹ in an FTIR spectrum?
Una banda cerca de 3621 cm⁻¹ puede apuntar a varios grupos funcionales. A continuación se muestran las asignaciones más probables, clasificadas por cuánta evidencia publicada respalda cada una — cada una trazable a literatura (DOI) y validada de forma cruzada con nuestros más de 130,000 espectros de referencia y grafo de conocimiento.
Backed by 7 cited sources
Posibles asignaciones de grupos funcionales
| Grupo funcional | Hechos de respaldo | Fuentes citadas | Confianza máxima |
|---|---|---|---|
| Hydroxyl (O-H) | 4 | 3 | 1,0 |
| Aromatic ring | 2 | 1 | 1,0 |
| Silicon (Si) | 1 | 1 | 1,0 |
| Water (H2O) | 1 | 1 | 1,0 |
| Chitosan | 1 | 1 | 1,0 |
La clasificación refleja la evidencia acumulada de la literatura, no una única regla autorizada. Siempre confirme según el contexto de su muestra.
Literatura detrás de estas asignaciones
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Chitosan confianza 1,0
“FTIR spectrum presented significant peaks at 3621 1013 was attributed to chitosan, Accepted: 11October2022 cm-1 29Si, 27Al, 13H and 787 signified the stretching of Si-O-Si on HNT.”
Synthesis and Optimization of Superhydrophilic-Superoleophobic Chitosan–Silica/HNT Nanocomposite Coating for Oil–Water Separation Using Response Surface Methodology DOI: 10.3390/nano12203673 -
Aromatic ring confianza 1,0
“from alum and wood, aromatic skeletal vibration attribcalcium hydroxide at 3621 cm-1 uted to lignin at 1505”
Nanotechnologies for the restoration of alum-treated archaeological wood DOI: 10.1007/s00339-016-9833-0 -
Hydroxyl (O-H) confianza 1,0
“Sci.2021,11,10049 6of19 at 3696 and 3621 cm-1 (outer and inner hydroxyl ion bands), 1028 cm-1 (Si-O-Si band), and 914 cm-1 (Al-O-H band).”
Investigation of Ancient Wall Painting Fragments Discovered in the Roman Baths from Alburnus Maior by Complementary Non-Destructive Techniques DOI: 10.3390/app112110049 -
Hydroxyl (O-H) confianza 1,0
“Silver strongly diluted Deacon Both OH bands at 3621 and cm(cid:2)1 is resistant to dry and moist chlorine at room temperature.”
Farra 等 - 2013 - Understanding CeO2 as a Deacon catalyst by probe m DOI: 10.1039/C2CP42767B -
Water (H2O) confianza 1,0
“Since protein9cm-1 3621cm-1 induced FTIR were 6 and bound water molecules play important role in membrane for the 3633 and proteins action, observation of hydrogen-bonding alterations bands (Fig.”
Fukuda 等 - 2013 - Detection of a protein-bound water vibration of ha DOI: 10.2142/biophysics.9.167 -
Hydroxyl (O-H) confianza 1,0
“LLM confirmed rule peak-group candidate”
Ma 等 - 2019 - Investigation of the Optical, Physical, and Chemic DOI: 10.3390/su11143803 -
Silicon (Si) confianza 1,0
“cm-1, cm-1, (4H) 601 The asymmetry the band at 3621 with a shoulder at ~3610 represents of the Si 602 stretching vibration in this region is consistent with the band structure in other garnet × (4H) 603 compositions previously assigned to (”
Coupled hydrogen and fluorine incorporation in garnet: New constraints from FTIR, ERDA, SIMS, and EPMA DOI: 10.2138/am-2021-7880
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