What absorbs at 585 cm⁻¹ in an FTIR spectrum?
A band near 585 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
Përgjigje e shpejtë
A band near 585 cm⁻¹ is usually interpreted by checking which functional groups repeatedly co-occur there in the literature, then confirming at least one or two additional peaks in the same sample. This page ranks those assignments by accumulated evidence rather than by a single fixed textbook rule.
Caktime të mundshme të grupeve funksionale
| Grup funksional | Fakte mbështetëse | Burimet e cituara | Besueshmëri e lartë |
|---|---|---|---|
| Metal oxygen | 6 | 5 | 1,0 |
| Alkyl C-H | 2 | 2 | 1,0 |
| Alkene (C=C) | 1 | 1 | 1,0 |
| Hydroxyl (O-H) | 1 | 1 | 1,0 |
Renditja pasqyron provat e grumbulluara të literaturës, jo një rregull të vetëm autoritar. Gjithmonë konfirmoni në kontekstin e mostrës suaj.
Materialet e mundshme
| Material | Maja mbështetëse | Grupe të mbivendosura | Burimet e cituara |
|---|---|---|---|
| olivine | 585, 3525, 3564 | Hydroxyl (O-H) | 1 |
| silver nanoparticles | 585, 1636, 1631 | Hydroxyl (O-H), Alkyl C-H | 1 |
| chitosan | 585, 1650, 1655 | Alkyl C-H, Hydroxyl (O-H) | 1 |
| PVA | 585, 1660, 2930 | Alkyl C-H, Hydroxyl (O-H) | 1 |
| Fe3O4 | 585, 2358, 1673 | Hydroxyl (O-H), Metal oxygen, Alkyl C-H | 1 |
| quercetin | 585, 1745, 1612 | Alkyl C-H, Hydroxyl (O-H) | 1 |
Materialet shfaqen vetëm kur i njëjti grup literature mbështet këtë brez dhe të paktën një pik karakteristik shtesë.
Logjika e spektrit
This band becomes meaningful only when read with its neighboring peaks. In practice, analysts first look at the assignments above, then check whether the same sample also shows other peaks expected for the same structural motif. A lone band near 585 cm⁻¹ is usually not enough for material identification by itself.
Përdorimi në botën reale
Ky lloj pyetjeje është i zakonshëm në identifikimin e polimereve, skriningun e plastikës së panjohur, zgjidhjen e problemeve të kontrollit të cilësisë, verifikimin e materialeve të ricikluara dhe rishikimin e caktimit të pikut të mbështetur nga literatura.
Gabimet e zakonshme
- Trajtimi i një brezi të izoluar si provë e një materiali pa kontrolluar të paktën një ose dy pika mbështetëse.
- Duke injoruar mbivendosjen: grupe të shumta funksionale mund të kontribuojnë afër të njëjtit numër valor.
- Kalimi i vërtetimit kur aditivët, përzierjet, oksidimi ose ndotja mund të shtrembërojnë spektrin.
Këshillë për verifikim
Kur mbetet paqartësi, verifiko hipotezën me DSC, GC-MS ose TGA, veçanërisht për përzierjet, mostrat e degraduara dhe polimerët e mbushur.
Literatura pas këtyre caktimeve
-
Metal oxygen besueshmëri 1,0
“The peaks at 3365 1722 1652 and 1585 (of casein) Micelles cm-1(of and a broad peak at 585 Fe O bond vibration of Fe3O4) were observed for the nanocomplex.”
The interaction, stability and response to an external stimulus of iron oxide nanoparticle–casein nanocomplexes DOI: 10.1016/j.colsurfa.2012.04.049 -
Hydroxyl (O-H) besueshmëri 1,0
“Here, the Figures 2, 6a, 9, 10 and Table 584 S4 clearly show that the integrated OH bands for [Ti-2H] are the most intense OH bands in 585 FTIR spectra for mantle olivines.”
Demouchy 和 Alard - 2021 - Hydrogen, trace, and ultra-trace element distribut DOI: 10.1007/s00410-021-01778-5 -
besueshmëri 1,0
“M and 420 According to the geometrical configuration of metallic oxides, the peak a cm-1 cm-1 at 585 is due to the vibrations of Fe-O complexes [4], and 420 is due to Cu-O n u”
Efficient transformation in characteristics of cations supported-reduced graphene oxide nanocomposites for the destruction of trichloroethane DOI: 10.1016/j.apcata.2017.07.007. -
Alkyl C-H besueshmëri 1,0
“Biomolecules 2021, 11, x 7 of 15 Biomolecules 2021, 11, x 7 of 15 Biomolecules2021,11,206 7of15 peak around 543 and 585cm-1 can be assigned to -CH=CH (cis) vibration;”
Green Synthesis, Characterization, Enzyme Inhibition, Antimicrobial Potential, and Cytotoxic Activity of Plant Mediated Silver Nanoparticle Using Ricinus communis Leaf and Root Extracts DOI: 10.3390/biom11020206 -
Alkyl C-H besueshmëri 1,0
“The peaks saw at 585, 1522 and 2682 are with the substitution of the crystalline particles in the polymer chains C-H2 C-H C-H2 allotted to aliphatic twisting, extending and bending of [16, 17].”
Effect of Al2O3 on structural and dielectric properties of PVP-CH3COONa based solid polymer electrolyte films for energy storage devices DOI: 10.1016/j.heliyon.2019.e02727 -
besueshmëri 1,0
“cm-1 FTIR spectrum (Figure 5A) of bare magnetite MNPs shows bands at 585 and 395 corresponding to the symmetric stretching vibration mode of the Fe-O bond.”
The Fine-Tuned Release of Antioxidant from Superparamagnetic Nanocarriers under the Combination of Stationary and Alternating Magnetic Fields DOI: 10.3390/antiox10081212 -
besueshmëri 1,0
“In the case of cm-1 of functional molecules could be applied and absorbed onto Fe 3O 4, the absorption at 585 is assigned to Fe-O vibra-”
Nicknejad 等 - 2015 - Electrospinning of Cross-Linked Magnetic Chitosan DOI: 10.1208/s12249-015-0336-7 -
Metal oxygen besueshmëri 0,9
“Text: 'bands at 885, 650 and 585 ... correspond to ... Al-O'”
Lancellotti 等 - 2015 - Geopolymers An option for the valorization of inc DOI: 10.1016/j.ceramint.2014.10.008
Keni një spektër me këtë brez?
Ngarkoni spektrin tuaj FTIR dhe merrni një raport të plotë interpretimi — caktim i pikut me citime literaturë, përputhje biblioteke dhe një zinxhir provash të vlerësuar me besueshmëri — në sekonda.