What absorbs at 3419 cm⁻¹ in an FTIR spectrum?
A band near 3419 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 8 cited sources
Možná přiřazení funkčních skupin
| Funkční skupina | Podpůrná fakta | Citované zdroje | Nejvyšší spolehlivost |
|---|---|---|---|
| Hydroxyl (O-H) | 6 | 5 | 0,95 |
| Alkyl C-H | 1 | 1 | 0,7 |
Pořadí odráží nahromaděné literární důkazy, nikoli jediné autoritativní pravidlo. Vždy potvrďte v kontextu vašeho vzorku.
Literatura za těmito přiřazeními
-
Hydroxyl (O-H) spolehlivost 0,95
“Explicit assignment: stretching vibration of hydroxyl (O-H).”
Xu 等 - 2020 - Characteristics and Mechanisms of Asphalt-Filler I DOI: 10.3390/ma13122744 -
Hydroxyl (O-H) spolehlivost 0,95
“Explicit assignment: 'a large and broad band found near 3419 cm-1, which was ascribed to the hydroxyl (O-H) vibrations'”
Zhang 和 Huang - 2019 - Investigation of the Microcharacteristics of Aspha DOI: 10.3390/ma12162627 -
spolehlivost 0,9
“Explicit assignment: 3419 and 1621 characteristic for H-O-H stretching.”
Li 等 - 2020 - Investigating the effect of carbon nanotube on ear DOI: 10.1016/j.cemconcomp.2020.103513 -
Hydroxyl (O-H) spolehlivost 0,9
“Broad absorption band at 3419 cm-1 related to OH stretching vibration.”
Karami 等 - 2022 - Curing Kinetics Modeling of Epoxy Modified by Full DOI: 10.3390/molecules27092870 -
spolehlivost 0,9
“Text: 'lattice water were appeared as weak peaks at the frequency of 3419'”
Ng 等 - 2019 - Zeolite RHO Synthesis Accelerated by Ultrasonic Ir DOI: 10.1038/s41598-019-51460-x -
Hydroxyl (O-H) spolehlivost 0,9
“Explicit assignment: 'hydroxyl band at 3419 cm-1'.”
Tagyan 等 - 2023 - Potential Application of Innovative Aspergillus te DOI: 10.3390/microorganisms11051135 -
Hydroxyl (O-H) spolehlivost 0,9
“stretching vibration of -OH from H2O”
Wang 等 - 2023 - Properties and Cementation Mechanism of Geopolymer DOI: 10.3390/ma16020480 -
spolehlivost 0,8
“Explicit assignment in text”
Wang 等 - 2019 - Cd(II) Adsorption on Different Modified Rice Straw DOI: 10.3390/ijerph16214129
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