What absorbs at 597 cm⁻¹ in an FTIR spectrum?
A band near 597 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 7 cited sources
Mabilis na sagot
A band near 597 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.
Mga posibleng pagtatalaga ng functional-group
| Grupong functional | Mga sumusuportang katotohanan | Mga nasiping sanggunian | Pinakamataas na kumpiyansa |
|---|---|---|---|
| Acetate | 1 | 1 | 1.0 |
| Chitosan | 1 | 1 | 1.0 |
| Metal oxygen | 1 | 1 | 1.0 |
| Sulfate (SO4) | 1 | 1 | 1.0 |
| Phosphate (PO4) | 1 | 1 | 1.0 |
| Chlorine | 1 | 1 | 1.0 |
Ang pagraranggo ay sumasalamin sa naipon na ebidensya ng literatura, hindi isang solong awtoritatibong tuntunin. Palaging kumpirmahin laban sa konteksto ng iyong sample.
Mga posibleng materyales
| Materyal | Sumusuportang mga peak | Mga overlapping na grupo | Mga nasiping sanggunian |
|---|---|---|---|
| polypropylene | 597, 1030, 1600 | Acetate | 1 |
| Fe3O4 | 597, 2358, 1673 | Metal oxygen, Acetate | 1 |
| composite | 597, 1703, 1295 | Acetate | 1 |
| hematite | 597, 1030, 469 | Metal oxygen | 1 |
Ang mga materyales ay ipinapakita lamang kapag ang parehong literatura pool ay sumusuporta sa banda na ito at hindi bababa sa isang karagdagang katangian na tuktok.
Logic ng spectrum
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 597 cm⁻¹ is usually not enough for material identification by itself.
Paggamit sa totoong mundo
Ang uri ng query na ito ay karaniwan sa pagtukoy ng polymer, screening ng hindi kilalang plastic, pag-troubleshoot ng QC, pag-verify ng recycled na materyal, at pagsusuri ng pagtatalaga ng peak na may suporta ng literatura.
Mga karaniwang pagkakamali
- Pagtrato sa isang nakahiwalay na banda bilang patunay ng isang materyal nang hindi sinusuri ang hindi bababa sa isa o dalawang sumusuportang peak.
- Hindi pinapansin ang overlap: maraming functional group ang maaaring mag-ambag malapit sa parehong wavenumber.
- Pag-laktaw sa pagpapatunay kapag ang mga additives, blends, oxidation, o contamination ay maaaring mag-distort ng spectrum.
Payo sa pagpapatunay
Kapag nananatili ang kalabuan, patunayan ang hypothesis gamit ang DSC, GC-MS, o TGA, lalo na para sa mga blend, degraded na sample, at filled polymers.
Literatura sa likod ng mga pagtatalagang ito
-
kumpiyansa 1.0
“1, 1 cerning temperature originated by the thermo-oxidative 2340 cmand the peak at 597 cmis a representative degradation and informative with the corresponding of C-Cl stretc.hing vibrations (Nirmal Ghosh et al.”
Current plastics pollution threats due to COVID-19 and its possible mitigation techniques: a waste-to-energy conversion via Pyrolysis DOI: 10.1186/s40068-020-00217-x -
Phosphate (PO4) kumpiyansa 1.0
“finally, two strong and sharp peaks at 597 and 560 cm-1 are attributed to the triple degenerate antisymmetric bending mode of the [PO 4]3group [9] (Table 5).”
Structural Characterization of Low-Sr-Doped Hydroxyapatite Obtained by Solid-State Synthesis DOI: 10.3390/cryst13010117 -
Sulfate (SO4) kumpiyansa 1.0
“cm-1 cm-1 at 666 and 597 represent the stretching and bending vibration of sulfate, the peak at peaks at 666 cm-1 and 597 cm-1 represent the stretching and bending vibration of sulfate, the peak at cm-1 cm-1 1096 is the stretching vibration”
Inhibition of Poly(ethylenediaminetetraacetic acid-diethanolamine) on Deposition of Calcium Sulfate Crystal in Simulated Industrial Water DOI: 10.3390/cryst10060544 -
kumpiyansa 1.0
“The characteristic vibra- (S-O stretch) and around 668 and 597 cm-1 (S-O tions of sulfate can be seen at 1100 cm-1 bends) [13].”
Assessment of Easily Accessible Spectroscopic Techniques Coupled with Multivariate Analysis for the Qualitative Characterization and Differentiation of Earth Pigments of Various Provenance DOI: 10.3390/min12060755 -
Metal oxygen kumpiyansa 1.0
“4a, FT-IR spectrum of Fe 3O displays a strong absorp4 cm-1 tion band at 597 belonging to the tetrahedral structure of trivalent Fe-O absorption.”
Silver incorporated into g-C3N4/Alginate as an efficient and heterogeneous catalyst for promoting click and A3 and KA2 coupling reaction DOI: 10.1038/s41598-021-93239-z -
Chitosan kumpiyansa 1.0
“cm-1 bands at 1,597 and 1,615 In this study, solid-state NMR spectra revealed the in the FTIR spectrum of functional groups of chitosan acetate salt in its molecular chitosan.”
Fernandez Cervera 等 - 2011 - Effects of Spray Drying on Physicochemical Propert DOI: 10.1208/s12249-011-9620-3 -
kumpiyansa 0.9
“Explicit assignment in text.”
Plata Lievano 和 Carreno Diaz - 2016 - Synthesis and Characterization of 1-Methyl-3-Metho DOI: 10.1590/1980-5373-MR-2015-0561
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