What absorbs at 3472 cm⁻¹ in an FTIR spectrum?
A band near 3472 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 5 cited sources
Possíveis atribuições de grupos funcionais
| Grupo funcional | Fatos de suporte | Fontes citadas | Maior confiança |
|---|---|---|---|
| Hydroxyl (O-H) | 4 | 4 | 1,0 |
| Ring structure | 1 | 1 | 1,0 |
A classificação reflete a evidência acumulada da literatura, não uma única regra autoritária. Sempre confirme com o contexto da sua amostra.
Literatura por trás destas atribuições
-
Ring structure confiança 1,0
“In the atrazine spectrum, the bands observed at 3472 revealed that 1,3,5-azidine ring interacts with SiO mole-”
The interaction between atrazine and the mineral horizon of soil: a spectroscopic study DOI: 10.1007/s11368-017-1843-9 -
Hydroxyl (O-H) confiança 1,0
“The absorption band proximately 3472 cm-1, which probably indicates that the hydroxyl groups number has”
Hydrogel Films Based on Chitosan and Oxidized Carboxymethylcellulose Optimized for the Controlled Release of Curcumin with Applications in Treating Dermatological Conditions DOI: 10.3390/molecules26082185 -
Hydroxyl (O-H) confiança 1,0
“Furthermore, a typical band at 3472 + 1 cm1 cm1 cm1 for O-H stretching, 2923 for C - H stretching, 1745 for C = C stretches, 1460 for C = C-”
Faqir 等 - 2023 - Ginger-extracted oil as an alternative for the emu DOI: 10.21203/rs.3.rs-1970108/v1 -
Hydroxyl (O-H) confiança 1,0
“around T118 of MB seems to be similar to rhodopsin because of the very similar O-H stretching frequency (3472 cm-1) vs 3463 [46,47], suggesting that the O-H group forms”
Hanai 等 - 2021 - Light-induced difference FTIR spectroscopy of prim DOI: 10.2142/biophysico.bppb-v18.005 -
Hydroxyl (O-H) confiança 1,0
“More so, a reduction in the intensity of the peak at 3472 can be observed in the silane-treated composite due to interaction between OH groups of HAp and MPS.”
Physical and Mechanical Properties of Tilapia Scale Hydroxyapatite-Filled High-Density Polyethylene Composites DOI: 10.3390/polym14020251
Tem um espectro com esta banda?
Carregue seu espectro FTIR e obtenha um relatório de interpretação completo — atribuições de picos com citações da literatura, correspondências de biblioteca e uma cadeia de evidências com nível de confiança — em segundos.
Interpretar meu espectro