What absorbs at 572 cm⁻¹ in an FTIR spectrum?
A band near 572 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
Snel antwoord
A band near 572 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.
Mogelijke functionele-groeptoewijzingen
| Functionele groep | Ondersteunende feiten | Geciteerde bronnen | Hoogste vertrouwen |
|---|---|---|---|
| Metal oxygen | 4 | 4 | 1,0 |
| Ring structure | 1 | 1 | 1,0 |
| Carbohydrate | 1 | 1 | 1,0 |
| Phosphorus | 1 | 1 | 1,0 |
| Phosphate (PO4) | 1 | 1 | 1,0 |
| Water (H2O) | 1 | 0 | 1,0 |
Ranglijst weerspiegelt cumulatief literatuurbewijs, niet één gezaghebbende regel. Bevestig altijd aan de hand van uw monsterecontext.
Mogelijke materialen
| Materiaal | Ondersteunende pieken | Overlappende groepen | Geciteerde bronnen |
|---|---|---|---|
| Fe3O4 | 572, 2358, 1673 | Metal oxygen | 1 |
Materialen worden alleen getoond wanneer dezelfde literatuurpool deze band en ten minste één extra karakteristieke piek ondersteunt.
Spectrumlogica
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 572 cm⁻¹ is usually not enough for material identification by itself.
Gebruik in de praktijk
Dit type query komt vaak voor bij polymeeridentificatie, screening van onbekende kunststoffen, probleemoplossing bij QC, verificatie van gerecycled materiaal en literatuurondersteunde beoordeling van piektoewijzing.
Veelgemaakte fouten
- Het behandelen van een enkele geïsoleerde band als bewijs van een materiaal zonder ten minste een of twee ondersteunende pieken te controleren.
- Overlap negeren: meerdere functionele groepen kunnen bijdragen rond hetzelfde golfgetal.
- Validatie overslaan wanneer additieven, mengsels, oxidatie of verontreiniging het spectrum kunnen verstoren.
Advies voor verificatie
Wanneer dubbelzinnigheid blijft bestaan, valideer de hypothese met DSC, GC-MS of TGA, vooral voor mengsels, gedegradeerde monsters en gevulde polymeren.
Literatuur achter deze toewijzingen
-
Phosphate (PO4) vertrouwen 1,0
“The band at 572 was assigned to the cm-1 amorphous phosphate (P-O) bonding.”
Fabrication of sol-gel derived new quaternary silicate Bioglass S55P4 DOI: 10.1063/1.5089369 -
vertrouwen 1,0
“The peak appearing at 572 is due to Fe-O”
Bitay 等 - 2017 - PROVENANCE STUDY ON A SMALL SELECTION OF ROMAN POT DOI: 10.24193/subbchem.2017.4.13 -
Carbohydrate vertrouwen 1,0
“for the degraded samples compared to normal healthy controls (middle) at a depth of 100 571 Collagenase and trypsin both drastically changed the absorbance spectra by altering the 572 carbohydrate peak height near (1140 - 985 cm-1), suggest”
DiDomenico 等 - 2019 - Measurement of local diffusion and composition in DOI: 10.1089/ten.teb.2009.0447 -
vertrouwen 1,0
“The band at 572 in the spectrum of Fe 3O (blue) is ascribed to 4 Fe-O-Fe the stretching vibration of bonds, which is the representative of Fe 3O nanoparticles structure.”
Ultrasound-Promoted preparation and application of novel bifunctional core/shell Fe3O4@SiO2@PTS-APG as a robust catalyst in the expeditious synthesis of Hantzsch esters DOI: 10.1038/s41598-023-33990-7 -
Ring structure vertrouwen 1,0
“cm(cid:3)1 observed at 1047 The IR band located at 572 is Raman spectroscopy was used to characterize the prepared deformation.34 ascribed to in-plane ring JS/HSO-700.”
Kinetics, equilibrium, statistical surface modeling and cost analysis of paraquat removal from aqueous solution using carbonated jujube seed DOI: 10.1039/c8ra09337g -
vertrouwen 1,0
“After adsorption As(V), for cm-1 cm-1, iMNP, the peaks at 572 assigned to Fe-O stretching vibration was shifted from 572 to 557 the OHcm-1, stretching and OH-bending shifts from 3387 and 1625 to 3416 and 1632 respectively.”
Efficient removal of As(V) from aqueous media by magnetic nanoparticles prepared with Iron-containing water treatment residuals DOI: 10.1038/s41598-020-65840-1 -
vertrouwen 0,9
“Explicit assignment in text.”
Synthesis and characterization of cobalt ferrite nanoparticles for hyperthermia treatment application DOI: 10.1063/1.5052096 -
Metal oxygen vertrouwen 0,9
“Explicit assignment: 'characteristic band of Fe-O at 572'.”
Synthesis and characterization of magnetite nanoparticles by co-precipitation method coated with biocompatible compounds and evaluation of in-vitro cytotoxicity DOI: 10.1016/j.toxrep.2021.01.012
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