What absorbs at 3520 cm⁻¹ in an FTIR spectrum?
Ивица близо до 3520 cm⁻¹ може да сочи към няколко функционални групи. По-долу са най-вероятните присвоявания, подредени по количеството публикувани доказателства, които ги подкрепят — всяко едно проследимо до литература (DOI) и кръстосано валидирано спрямо нашите 130 000+ референтни спектъра и графика на знанията.
Backed by 8 cited sources
Възможни определяния на функционални групи
| Функционална група | Подкрепящи факти | Цитирани източници | Най-висока достоверност |
|---|---|---|---|
| Hydroxyl (O-H) | 8 | 8 | 1,0 |
| Water (H2O) | 1 | 1 | 1,0 |
| N-O bond | 1 | 1 | 1,0 |
Класирането отразява натрупаните литературни доказателства, а не единично авторитетно правило. Винаги потвърждавайте спрямо контекста на вашата проба.
Литература зад тези определяния
-
Hydroxyl (O-H) достоверност 1,0
“The series of IR spectroH-O-H cm-1 (symmetric metric stretching) and 3520 scopic studies on the phase transitions of PVME, PiPA, H-O-Hstretching).20TheO-Hstretchingbandsofwater andotherpoly(N-substitutedacrylamide)sinwatershows (>50 in conc”
Maeda - 2001 - IR spectroscopic study on the hydration and the ph DOI: 10.1021/la001346q -
Hydroxyl (O-H) достоверност 1,0
“cm-1 and the broad band at 3520 may be associated with the per2θ [O] turbation of OH groups through the surrounding by lattice defects or extra-lattice oxygen [49].”
IR study of iridium bonded to perturbed silanol groups of Pt-HZSM5 for n-pentane isomerization DOI: 10.1016/j.apcata.2011.12.039 -
N-O bond достоверност 1,0
“on cm(cid:1)1 of electron from GO structure which was accepted by the elecThebroad peakat3520 corresponding tothe OHof NC Downloaded Commons cm(cid:1)1 decientO-NO shied groups(donor-accepterinteraction)of tron in NC/DEGDN sample weakened”
Yahya 等 - 2019 - Interaction and thermal studies on graphene oxide DOI: 10.1039/c9ra07717k -
Hydroxyl (O-H) достоверност 1,0
“LLM confirmed rule peak-group candidate”
Preparation and Composition Optimization of PEO:MC Polymer Blend Films to Enhance Electrical Conductivity DOI: 10.3390/polym11050853 -
Hydroxyl (O-H) достоверност 1,0
“The introduction of Mn into SiBEA zeolite led to the strong cm-1 decrease in the intensity of the bands at 3520 and 3705 related to OH groups forming”
Incorporation of Mn into the vacant T-atom sites of a BEA zeolite as isolated, mononuclear Mn: FTIR, XPS, EPR and DR UV-Vis studies DOI: 10.1039/c6cp01713d -
Hydroxyl (O-H) достоверност 1,0
“However, a small shift of the OH band (previously centred at 3520 cm-1) cm-1 3520 to c.”
De Sa 等 - 2021 - Tracing Poly(Vinyl Acetate) Emulsions by Infrared DOI: 10.3390/polym13213609 -
Water (H2O) достоверност 1,0
“Furthermore, water adsorbed on SiO shows a 2 cm-1 similar band at 3520 which is also preferentially polarised out of plane [23] and in general such high wavenumber bands are associated with free O-H.”
Microsoft Word - Frogley et al Polarised infrared microspectroscopy of edge-oriented graphene oxide papers.docx DOI: 10.1038/srep00085 -
Hydroxyl (O-H) достоверност 1,0
“Figure 6 shows cm-1 study suggested that the bands at 3520 (+)/3472 (-) four carboxylates, D83, E113, E122 and E181, in bovine are candidates of the O-H stretch of T118 in MB [27], rhodopsin, and the corresponding amino acids in primate whe”
Hanai 等 - 2021 - Light-induced difference FTIR spectroscopy of prim DOI: 10.2142/biophysico.bppb-v18.005
Имате спектър с тази лента?
Качете вашия FTIR спектър и получете пълен отчет за интерпретация — определяне на пикове с литературни цитати, съвпадения с библиотека и верига от доказателства с оценка на достоверността — за секунди.
Интерпретирайте моя спектър