What absorbs at 1682 cm⁻¹ in an FTIR spectrum?
A band near 1682 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
Lehetséges funkcionális csoport hozzárendelések
| Funkcionális csoport | Támogató tények | Hivatkozott források | Legmagasabb megbízhatóság |
|---|---|---|---|
| Nucleic acid | 1 | 1 | 1,0 |
| Sulfate (SO4) | 1 | 1 | 1,0 |
| Hydroxyl (O-H) | 1 | 1 | 1,0 |
| Protein beta sheet | 1 | 1 | 1,0 |
| Protein | 1 | 1 | 1,0 |
| N-O bond | 1 | 1 | 1,0 |
A rangsor a felhalmozott irodalmi bizonyítékokat tükrözi, nem egyetlen tekintélyes szabályt. Mindig ellenőrizze a minta kontextusában.
A hozzárendelések mögötti irodalom
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N-O bond megbízhatóság 1,0
“Obviously, there were no peaks unique peak at 1682 due to predominate peak of 250(cid:3)C, found”
Thermoanalytical and Fourier transform infrared spectral curve-fitting techniques used to investigate the amorphous indomethacin formation and its physical stability in Indomethacin-Soluplus® solid dispersions DOI: 10.1016/j.ijpharm.2015.10.042 -
Protein megbízhatóság 1,0
“cm-1 region A minor peak at 1682 preparations due to different sequences and protein composi-”
Okubo 等 - 2007 - Perturbation of the structure of P680 and the char DOI: 10.1021/bi700157n -
Protein beta sheet megbízhatóság 1,0
“cm-1, the parallel beta sheet band of 1682 the band intensity ∼80% significantly dropped by before 3 h and remained low until 24 h (Fig.”
Shi 等 - 2018 - Biochemical alterations of Candida albicans during DOI: 10.1039/c8an01452c -
Hydroxyl (O-H) megbízhatóság 1,0
“The IR spectrum is dominated by the bands ascribed to gypsum at 3484 and 3398 (-OH stretch), cm-1 ν 1682 and 1619 (-OH deformation), 1095 (sulfate stretch), and 667 and 594 (sulfate 3”
New Insights into the Medieval Hispano-Muslim Panel Painting: The Alfarje Found in a Balearic Casal (Spain) DOI: 10.3390/molecules28031235 -
Sulfate (SO4) megbízhatóság 1,0
“cm-1 4·2H (CaSO 2O), The frequency peaks at 3535 and 3404 are assigned to gypsum cm-1 and the bands appearing around 1682 and 1620 correspond to sulfate stretching in gypsum [96].”
Systematic Search Using the Proknow-C Method for the Characterization of Atmospheric Particulate Matter Using the Materials Science Techniques XRD, FTIR, XRF, and Raman Spectroscopy DOI: 10.3390/su15118504 -
Nucleic acid megbízhatóság 1,0
“A positive band at 1682 was assigned to an RNA”
Correlations between autoantibodies and the ATR-FTIR spectra of sera from rheumatoid arthritis patients DOI: 10.1038/s41598-021-96848-w
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