What absorbs at 825 cm⁻¹ in an FTIR spectrum?
A band near 825 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
Mögulegar úthlutun virkra hópa
| Virkur hópur | Stuðningsstaðreyndir | Tilvitnuð heimildir | Mesta öryggi |
|---|---|---|---|
| Oxygen heterocycle | 1 | 1 | 0,9 |
| C-O single bond | 1 | 1 | 0,8 |
| Ammonium | 1 | 1 | 0,8 |
| Nitrate | 1 | 1 | 0,7 |
| Nitro (NO2) | 1 | 0 | 0,9 |
Röðun endurspeglar uppsöfnuð ritrýnisgögn, ekki eina valdboðsreglu. Staðfestu alltaf í samhengi við sýnið þitt.
Ritlist á bak við þessar úthlutanir
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Oxygen heterocycle öryggi 0,9
“Text states oxirane peaks (doublet) at 825 and 843 cm-1.”
Derahman 等 - 2019 - EPOXIDATION OF JATROPHA METHYL ESTERS VIA ACIDIC I DOI: 10.1590/0104-6632.20190362s20180326 -
Ammonium öryggi 0,8
“Text: 'absorption frequencies at 825 and 1356 (NH4+)'”
Varrica 等 - 2019 - ATR-FTIR Spectral Analysis and Soluble Components DOI: 10.3390/ijerph16142507 -
C-O single bond öryggi 0,8
“Part of range for RES: '825 and 1020 cm1 (C-O stretching)'”
Yang 等 - 2022 - Spray-Drying of Hydroxypropyl beta-Cyclodextrin Mi DOI: 10.3390/cryst12050596 -
öryggi 0,7
“Text: 'stretching and bending vibrations observed at 1387 and 825 cm-1 might be represented to - CH and nitrate bands'”
Singh 等 - 2020 - Carrier mechanism of ZnO nanoparticles-embedded PM DOI: 10.1016/j.solidstatesciences.2019.106046 -
öryggi 0,6
“Text: 'at 1004, 825, and 507'”
Abu Zeid 和 Alnoury - 2023 - Characterisation of the Bioactivity and the Solubi DOI: 10.1016/j.identj.2023.04.003
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