What absorbs at 2007 cm⁻¹ in an FTIR spectrum?
Una banda cerca de 2007 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 |
|---|---|---|---|
| Amide | 3 | 3 | 1,0 |
| Hydroxyl (O-H) | 1 | 1 | 1,0 |
| N h | 1 | 1 | 1,0 |
| Secondary amine | 1 | 1 | 1,0 |
| C n single bond | 1 | 1 | 1,0 |
| Methoxy (OCH3) | 1 | 1 | 1,0 |
| Methacrylate | 1 | 1 | 1,0 |
| C-O single bond | 1 | 1 | 1,0 |
| Acetate | 1 | 1 | 1,0 |
| Nitrate | 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
-
Nitrate confianza 1,0
“The main absorption peaks cm-1 of CaSO around 660 and 600 provided no 4 interferences to nitrate bands (Verma and Deb 2007).”
Choe 等 - 2010 - An Alternate Method for Fourier Transform Infrared DOI: 10.1007/s11270-009-0091-z -
Amide confianza 1,0
“protein content predicted based on peak height at 1652 ture is less straightforward than for amide I vibration (Barth 2007), the amide I region was deconvoluted (Byler and Sui Protein content predicted from FTIR was highly correlated (R2=0.”
Qualitative and Quantitative Analysis of Sorghum Grain Composition Including Protein and Tannins Using ATR-FTIR Spectroscopy DOI: 10.1007/s12161-020-01874-5 -
Acetate confianza 1,0
“r2, (RPD) for cross-validation and root mean square error of predicAll the spectrum analyses are characterised by bands between tion (RMSEP) and RPD for test-set validation (Workman & Weyer, cm(cid:1)1, 1500 and 900 which correspond to C-C”
FTIR⠍ATR spectroscopy applied to quality control of grape-derived spirits DOI: 10.1016/j.foodchem.2016.02.128 -
Amide confianza 1,0
“3 (2020) 1175-1185 3.2 SAMs process on each silicon-based bonds, while amide II signals are between 1550 - cm-1 1600 derived from in-plane N-H bending and material substrates et al., from C-N stretching vibration (Kong 2007), Structural pro”
Gomez-Montano 等 - 2020 - Detection of Salmonella enterica on silicon substr DOI: 10.24275/rmiq/Bio993 -
confianza 1,0
“(N-H).24 vibrations of amino 2007, 79, 3810.”
Nagajyothi 等 - 2012 - Green Synthesis of Silver and Gold Nanoparticles U DOI: 10.5012/bkcs.2012.33.8.2609 -
Hydroxyl (O-H) confianza 1,0
“Also, another new band between 3100 This work was supported by the 2007 cm-1 is attributed to a hydroxyl bond and/or hydroand 3500 Yeungnam University Research Grant.”
Park 等 - 2013 - Analysis of Degradation Behaviors of Geomembrane b DOI: 10.7317/pk.2013.37.1.5 -
Amide confianza 1,0
“Smidt and stretch: amide I band) cmMeissl, 2007;”
Comprehensive characterization of industrial wastewaters using EEM fluorescence, FT-IR and 1H NMR techniques DOI: 10.1016/j.scitotenv.2021.150417
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