How can you identify magnetite from FTIR?
This page summarizes the recurring FTIR evidence reported for magnetite, including the most frequent peaks, supporting functional groups, and literature-backed interpretation patterns. It is a structured evidence page, not a claim of automatic single-spectrum certainty.
Backed by 15 cited sources
Quick answer
magnetite is usually reported with a recurring pattern of peaks and functional-group evidence. The most useful approach is to cross-check at least two characteristic peaks before treating it as a match, then verify whether the full spectrum still fits the same material family.
Peak interpretation
Possible materials / groups
| Gruppo funzionale | Evidenza |
|---|---|
| Hydroxyl (O-H) | 16 |
| Metal oxygen | 13 |
| Silicon-oxygen (Si-O) | 9 |
| Carboxyl (COOH) | 8 |
| Methacrylate | 5 |
| Acetate | 5 |
| Water (H2O) | 5 |
| Methoxy (OCH3) | 4 |
Spectrum logic
The logic here is evidence aggregation: repeated literature mentions of magnetite, repeated peak positions, and repeated functional-group associations. A strong material hypothesis should still be supported by multiple peaks that agree with each other, not by one headline band alone.
Real-world usage
This page is designed for polymer identification, incoming-material QC, unknown plastic analysis, recycled-content review, and literature-backed interpretation of reference spectra.
Common mistakes
- Calling a material match too early because one famous peak is present.
- Ignoring sample prep, fillers, oxidation, water, or additives that can change the apparent pattern.
- Using literature evidence without checking whether your own sampling mode and spectrum quality are comparable.
Verification advice
Use DSC, GC-MS, or TGA to validate the material hypothesis when the peak pattern is ambiguous or mixed.
Literature behind this page
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affidabilità 1,0
magnetite
Fawzy - 2021 - Separation of fine beryl from quartz via magnetic DOI: 10.37190/ppmp/132329 -
affidabilità 0,9
magnetite
The capability of nanomagnetite carboxymethyl kappa-carrageenan coated to adsorp metal ions DOI: 10.1063/5.0000680 -
affidabilità 0,9
magnetite
Surface Functionalization of Magnetite Nanoparticles with Multipotent Antioxidant as Potential Magnetic Nanoantioxidants and Antimicrobial Agents DOI: 10.3390/molecules27030789 -
affidabilità 0,9
magnetite
Yang 等 - 2009 - Kinetics of silicate sorption on magnetite and mag DOI: 10.1016/j.colsurfa.2009.01.041 -
affidabilità 0,8
magnetite
High yield, facile aqueous synthesis and characterization of C18 functionalized iron oxide nanoparticles DOI: 10.1088/2053-1591/2/4/045014 -
affidabilità 0,8
magnetite
Kolodynska 等 - 2016 - Development of New Effective Sorbents Based on Nan DOI: 10.1186/s11671-016-1371-3 -
affidabilità 0,8
magnetite
Design and Synthesis of Multipotent Antioxidants for Functionalization of Iron Oxide Nanoparticles DOI: 10.3390/coatings12040517 -
affidabilità 0,7
magnetite
Pereira 等 - 2018 - Magnetite-Corrole Hybrid Nanoparticles DOI: 10.3390/magnetochemistry4030037 -
affidabilità 0,6
magnetite
Eco-friendly adsorbents based on abietic acid, boswellic acid, and chitosan/magnetite for removing waste oil from the surface of the water DOI: 10.1007/s11356-022-20169-2 -
affidabilità 0,5
magnetite
Yadav 等 - 2020 - Synthesis and Characterization of Amorphous Iron O DOI: 10.3390/nano10081551
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