What absorbs at 582 cm⁻¹ in an FTIR spectrum?
A band near 582 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
Stutt svar
A band near 582 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.
Mögulegar úthlutun virkra hópa
| Virkur hópur | Stuðningsstaðreyndir | Tilvitnuð heimildir | Mesta öryggi |
|---|---|---|---|
| Metal oxygen | 3 | 3 | 1,0 |
| S eq o | 1 | 1 | 1,0 |
| Phosphate (PO4) | 1 | 1 | 1,0 |
| Amide | 1 | 1 | 1,0 |
| C-O single bond | 1 | 1 | 0,9 |
Röðun endurspeglar uppsöfnuð ritrýnisgögn, ekki eina valdboðsreglu. Staðfestu alltaf í samhengi við sýnið þitt.
Möguleg efni
| Efni | Stuðningstindar | Skarast hópar | Tilvitnuð heimildir |
|---|---|---|---|
| chitosan | 582, 1650, 1655 | Amide | 1 |
| Cellulose | 582, 1735, 1650 | Amide | 1 |
| ZnO | 582, 1400, 3430 | Metal oxygen, Amide | 1 |
| Fe3O4 | 582, 2358, 1673 | Metal oxygen, Amide | 1 |
| iron oxide | 582, 1130, 891 | Metal oxygen | 1 |
| Fe3O4 nanoparticles | 582, 1673, 1470 | Metal oxygen, Amide | 1 |
Efni birtast aðeins þegar sama bókmenntasafn styður þessa band og að minnsta kosti einn viðbótar einkennandi hámark.
Rófrök
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 582 cm⁻¹ is usually not enough for material identification by itself.
Raunveruleg notkun
Þessi tegund fyrirspurna er algeng við auðkenningu fjölliða, skimun óþekktra plasttegunda, bilanaleit í gæðaeftirliti, staðfestingu endurunnins efnis og bókmenntabakkaða endurskoðun á hápunktum.
Algeng mistök
- Meðhöndla eina einangraða öldulengd sem sönnun á efni án þess að athuga að minnsta kosti einn eða tvo stuðningstoppa.
- Hunsa skörun: mörg virkir hópar geta lagt sitt af mörkum nálægt sömu bylgjutölunni.
- Að sleppa staðfestingu þegar aukefni, blöndur, oxun eða mengun geta brenglað litrófið.
Staðfestingarráðgjöf
Þegar tvíræðni er eftir, staðfestu tilgátuna með DSC, GC-MS eða TGA, sérstaklega fyrir blöndur, niðurbrotin sýni og fylltar fjölliður.
Ritlist á bak við þessar úthlutanir
-
öryggi 1,0
“The peak at 582.2 cm is attributed to the Fe-O bond 4”
ENHANCEMENT OF THERMAL IMAGING BY IRON OXIDE NANOPARTICLE – PRELIMINARY STUDY DOI: 10.1016/j.bcab.2018.12.005 -
Amide öryggi 1,0
“The FTIR peaks at 1,678 and 1,582 cm-1 were attributed to amide I and amide II of pNIPAm which was also present in CS spectra.”
Qureshi 等 - 2015 - Ethyl acetate Salix alba leaves extract-loaded chi DOI: 10.1080/09205063.2015.1100843 -
öryggi 1,0
“The energy band gap of the NPs was observed toexistintherangeof2.95to3.39eVuponvaryingtheconcentrationofSr2+dopant.Thebroadpeaksat437cm-1and582cm-1 correspond to octahedral (B-) metal stretching (Ni-O) and tetrahedral (A-) metal stretching”
Effect of Sr2+ Ion–Substituted Nickel Ferrite Nanoparticles Prepared by a Simple Microwave Combustion Method DOI: 10.1007/s10948-020-05777-8 -
Phosphate (PO4) öryggi 1,0
“Vibrations at 582 593 and 606 are attributed to PO cm-1, the υ4 (PO43-) at 570 and 602 cm-1, υ1 (PO43-) at 962 cm-1, and υ3 (PO43-) at 1051 and 4 vibrations (asymmetric O-P-O bending mode) [46,49-51].”
Gavinho 等 - 2023 - An Eco-Friendly Process to Extract Hydroxyapatite DOI: 10.3390/jfb14050279 -
S eq o öryggi 1,0
“capacity Moreover, there is an enlarged band with a slight change at 582 cm-1 in the composite 55 removal beads, indicating the sulfonic acid group, due to the combination of the bands at 633 and”
Potential Application of Innovative Aspergillus terreus/ Sodium Alginate Composite Beads as Eco-Friendly and Sustainable Adsorbents for Alizarin Red S Dye: Isotherms and Kinetics Models DOI: 10.3390/microorganisms11051135 -
öryggi 1,0
“cm-1 The bands at 582 may be ascribed to the Zn-O bond [20].”
Toteva 等 - 2021 - Pollutants Sorbent Made of Cotton Fabric Modified DOI: 10.3390/ma14123242 -
C-O single bond öryggi 0,9
“explicit assignment”
Barzic 等 - 2022 - Cellulose derivativebarium titanate composites wi DOI: 10.21203/rs.3.rs-467926/v1 -
öryggi 0,7
“Pairwise indexed to stretching vibrations.”
Nguyen 等 - 2019 - A Facile Synthesis, Characterization, and Photocat DOI: 10.1155/2019/3428681
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