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
Возможные назначения функциональных групп
| Функциональная группа | Подтверждающие факты | Цитируемые источники | Максимальная достоверность |
|---|---|---|---|
| Hydroxyl (O-H) | 4 | 4 | 1,0 |
| Ring structure | 1 | 1 | 1,0 |
Ранжирование отражает накопленные литературные данные, а не единственное авторитетное правило. Всегда проверяйте в контексте вашего образца.
Литература, лежащая в основе этих назначений
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Ring structure достоверность 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) достоверность 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) достоверность 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) достоверность 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) достоверность 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
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