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
Snabbt svar
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.
Möjliga identifieringar av funktionella grupper
| Funktionell grupp | Stödjande fakta | Citerade källor | Högsta förtroende |
|---|---|---|---|
| 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 |
Rankingen speglar ackumulerade litteraturbevis, inte en enda auktoritativ regel. Bekräfta alltid mot din provkontext.
Möjliga material
| Material | Stödjande toppar | Överlappande grupper | Citerade källor |
|---|---|---|---|
| Fe3O4 | 572, 2358, 1673 | Metal oxygen | 1 |
Material visas endast när samma litteraturpool stöder detta band och minst en ytterligare karakteristisk topp.
Spektrumlogik
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.
Användning i verkligheten
Denna typ av fråga är vanlig inom polymeridentifiering, screening av okänd plast, felsökning av kvalitetskontroll, verifiering av återvunnet material och litteraturstödd toppidentifieringsgranskning.
Vanliga misstag
- Behandla ett isolerat band som bevis på ett material utan att kontrollera minst en eller två stödjande toppar.
- Ignorerar överlapp: flera funktionella grupper kan bidra nära samma vågtal.
- Hoppa över validering när tillsatser, blandningar, oxidation eller föroreningar kan förvränga spektrat.
Verifieringsråd
När oklarhet kvarstår, validera hypotesen med DSC, GC-MS eller TGA, särskilt för blandningar, nedbrutna prover och fyllda polymerer.
Litteratur bakom dessa identifieringar
-
Phosphate (PO4) förtroende 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 -
förtroende 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 förtroende 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 -
förtroende 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 förtroende 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 -
förtroende 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 -
förtroende 0,9
“Explicit assignment in text.”
Synthesis and characterization of cobalt ferrite nanoparticles for hyperthermia treatment application DOI: 10.1063/1.5052096 -
Metal oxygen förtroende 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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