What absorbs at 507 cm⁻¹ in an FTIR spectrum?

Ateb cyflym

A band near 507 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.

Aseiniadau grŵp swyddogaethol posibl

Mae＇r safle＇n adlewyrchu tystiolaeth llenyddiaeth gronnwyd, nid rheol awdurdodol sengl. Cadarnhewch bob amser yn erbyn eich cyd-destun sampl.

Deunyddiau posibl

Mae deunyddiau＇n cael eu dangos dim ond pan fydd yr un gronfa lenyddiaeth yn cefnogi＇r band hwn ac o leiaf un brig nodweddiadol ychwanegol.

Rhesymeg sbectrwm

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 507 cm⁻¹ is usually not enough for material identification by itself.

Defnydd yn y byd go iawn

Mae＇r math hwn o ymholiad yn gyffredin mewn adnabod polymer, sgrinio plastig anhysbys, datrys problemau QC, dilysu deunydd wedi＇i ailgylchu, ac adolygiad o aseiniad copa wedi＇i gefnogi gan lenyddiaeth.

Camgymeriadau cyffredin

• Trin un band ynysig fel prawf o ddeunydd heb wirio o leiaf un neu ddau gopa cefnogol.
• Anwybyddu gorgyffwrdd: gall grwpiau swyddogaethol lluosog gyfrannu ger yr un rhif ton.
• Hepgor dilysu pan fo ychwanegion, cymysgeddau, ocsideiddio, neu halogiad yn gallu ystumio＇r sbectrwm.

Cyngor dilysu

Pan fo amwysedd yn parhau, dilyswch y rhagdybiaeth gyda DSC, GC-MS, neu TGA, yn enwedig ar gyfer cymysgeddau, samplau dirywiedig, a pholymerau llawn.

Llenyddiaeth y tu ôl i＇r aseiniadau hyn

• hyder 1.0

  “But the sample annealed at 800 has weak peak emerged at 507 which is related to nitrogen related local vibration as reported in the reference [26].”

  Enhancement of Al-N co-dopant solubility in ZnO by high temperature thermal annealing DOI: 10.1016/j.ceramint.2018.10.005
• hyder 1.0

  “A around 507 cm-1 is clearly observed in Figure 2 and can be attributed to Au and Bu vibracm-1”

  Surface Morphology and Optical Properties of Hafnium Oxide Thin Films Produced by Magnetron Sputtering DOI: 10.3390/ma16155331
• C c single bond hyder 1.0

  “506 In situ FTIR spectroscopy has revealed that the three 507 472 to a C-C stretching of benzenoid rings.”

  Benyoucef 等 - 2005 - Synthesis and in situ MRS characterization of cond DOI: 10.1016/j.eurpolymj.2004.10.047
• Silicon hydride hyder 1.0

  “cm(cid:0) C-- 1 C stretching peak at 1640 attenuated or disappeared, whereas On the FTIR spectrum for the activated CoCr surface, the disappearance (CoCr-OH-Si45-GO12h, emerged in all incubated multilayer systems of chromium oxide (III) rel”

  Covalent immobilization of graphene oxide on biomedical grade CoCr alloy by an improved multilayer system assembly via Silane/GO bonding DOI: 10.1016/j.matchemphys.2022.126296
• Metal oxygen hyder 1.0

  “Pressure (MPa) 0.1 122.38 305.34 399.23 517.59 606.87 (cm-1) 432.33 433.02 433.20 433.50 433.50 434.83 M-O vibrational peak (cm-1) AlIV-O-Si 507.27 507.43 507.80 508.46 508.13 509.46 vibrational peak (cm-1)”

  The Behavior of Water in Orthoclase Crystal and Its Implications for Feldspar Alteration DOI: 10.3390/cryst12081042
• Metal oxygen hyder 0.9

  “Fe-O stretching and bending”

  Jalandhara 等 - 2016 - Effect of Sintering Temperature on the Optical Pro DOI: 10.1063/1.4946488
• hyder 0.8

  “Explicit assignment in text.”

  Phytochemical screening, polyphenols, flavonoids and tannin content, antioxidant activities and FTIR characterization of Marrubium vulgare L. from 2 different localities of Northeast of Morocco DOI: 10.1016/j.heliyon.2020.e05609
• hyder 0.6

  “Text: 'at 1004, 825, and 507'”

  Characterisation of the Bioactivity and the Solubility of a New Root Canal Sealer DOI: 10.1016/j.identj.2023.04.003