What absorbs at 1507 cm⁻¹ in an FTIR spectrum?
A band near 1507 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
Posibles asignaciones de grupos funcionales
| Grupo funcional | Hechos de respaldo | Fuentes citadas | Confianza máxima |
|---|---|---|---|
| Lignin | 2 | 2 | 0,95 |
| Aromatic ring | 2 | 2 | 0,9 |
| Alkene (C=C) | 1 | 1 | 0,8 |
| Amide | 1 | 1 | 0,7 |
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
-
Lignin confianza 0,95
“Same sentence as 1600”
Solihat 等 - 2020 - Microwave assisted dilute organic acid pre-treatme DOI: 10.1088/1757-899X/935/1/012046 -
Lignin confianza 0,9
“Text states 'lignin bands observed at 1507 was attributed to the presence of coniferyl alcohol' and 'higher content of G-units'.”
Elmas 和 Yilgor - 2020 - Chemical and Thermal Characterizations of Pinus sy DOI: 10.1515/hf- -
confianza 0,9
“Text: 'bands at 1600 and 1507 are ascribable to aromatic skeletal vibrations in lignin'”
Marzini 等 - 2023 - Exploring the Potential of Portable Spectroscopic DOI: 10.3390/f14040825 -
Aromatic ring confianza 0,9
“typical of aromatic ring vibrations of lignin”
Zhou - 2022 - Oxidation of Lignin-Carbohydrate Complex by Laccas DOI: 10.17576/jsm-2022-5103-07 -
Alkene (C=C) confianza 0,8
“New peak for PDA-RGO, due to C=C.”
Jing 等 - 2016 - Determination of nicotine in tobacco products base DOI: 10.1038/srep29230 -
Amide confianza 0,7
“Listed as both amide and C-C aromatic stretching.”
Aamir 和 Ahmad - 2010 - Production and Stability Evaluation of Modified-Re DOI: 10.1208/s12249-010-9392-1
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