What absorbs at 604 cm⁻¹ in an FTIR spectrum?
A band near 604 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
Ateb cyflym
A band near 604 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
| Grŵp swyddogaethol | Ffeithiau ategol | Ffynonellau a ddyfynnwyd | Hyder uchaf |
|---|---|---|---|
| Metal oxygen | 4 | 3 | 1.0 |
| Phosphate (PO4) | 2 | 2 | 1.0 |
| Alkyl C-H | 1 | 1 | 1.0 |
| Chlorine | 1 | 1 | 1.0 |
| Hydroxyl (O-H) | 1 | 1 | 1.0 |
| Methoxy (OCH3) | 1 | 1 | 1.0 |
| Methacrylate | 1 | 1 | 1.0 |
| C-O single bond | 1 | 1 | 1.0 |
| Acetate | 1 | 1 | 1.0 |
| Siloxane (Si-O-Si) | 1 | 1 | 0.8 |
Mae＇r safle＇n adlewyrchu tystiolaeth llenyddiaeth gronnwyd, nid rheol awdurdodol sengl. Cadarnhewch bob amser yn erbyn eich cyd-destun sampl.
Deunyddiau posibl
| Deunydd | Copaon ategol | Grwpiau sy＇n gorgyffwrdd | Ffynonellau a ddyfynnwyd |
|---|---|---|---|
| chitosan | 604, 1650, 1655 | Alkyl C-H | 1 |
| graphene oxide | 604, 1150, 3400 | Alkyl C-H | 1 |
| silver nanoparticles | 604, 1636, 1631 | Alkyl C-H | 1 |
| dentin | 604, 575, 1740 | Phosphate (PO4), Alkyl C-H | 1 |
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 604 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
-
Metal oxygen hyder 1.0
“stretching at 604 O-Cr-O bending mode at 419 and Ag-O bands at 561 and 443 The powder X-ray diffraction patterns 2u”
Athawale 和 Desai - 2011 - Silver doped lanthanum chromites by microwave comb DOI: 10.1016/j.ceramint.2011.05.008 -
hyder 1.0
“cm(cid:2)1) at 1153.6 strong sulphate band (1153.6 two shoulders at around 1114 and towards a lower wave cm(cid:2)1 cm(cid:2)1) 1097 number (1097.6 and O-S-O bending band at around 603.7 and (Table 3a) is possibly caused by the P.A.”
Theoretical and experimental study of structures and properties of cement paste The nanostructural aspects of C–S–H DOI: 10.1016/j.jpcs.2011.05.001 -
Phosphate (PO4) hyder 1.0
“Considering the above-described intensity of the sub-band at as well as by meaneeds, this study employed ATR-FTIR to investigate the suringthefullwidthathalfmaximum(FWHM)ofthepeakat 604cm-1 604cm-1, ] effect of these food items on dentin af”
Alebrahim 等 - 2022 - Effect of Exposure to Acidic Food Items on Dentin DOI: 10.1155/2022/8542144 -
Metal oxygen hyder 1.0
“The present peak at 1025 indicates the asymmetric stretching of the C-O-C The peak cm-1 cm-1 821 was due to the bending vibration of C=C and the peak 604 pertained to the stretching vibration of Ni-O, Fe-O, and Co-O in the tetrahedral or oc”
Production of Ni0.5Co0.5Fe2O4/activated carbon@chitosan magnetic nanobiocomposite as a novel adsorbent of methylene blue in aqueous solutions DOI: 10.1038/s41598-023-33470-y -
Acetate hyder 1.0
“cm-1 2351.33 for =C-H stretch, 1739.42 for cm-1 -C-H deformation, 1460.07 for -C-H bending, cm-1 1251.66 and 1025.52 for C-O stretch in -COOH cm-1 group, 604.28 and 657.49 for monosubstituted benzene ring (Fig.”
Haque 等 - 2020 - Degradation of Reactive Blue 19 Dye Using Copper N DOI: 10.15244/pjoes/104663 -
Hydroxyl (O-H) hyder 1.0
“In the FTIR spectra of Fe 3O 4, the peaks at 3413 and cm-1 cm-1 1634 corresponds to the O-H vibration meanwhile the peak at 604 represented Polymers 2022, 14, x FOR PEER REVIEW”
Magnetic Graphene-Based Nanosheets with Pluronic F127-Chitosan Biopolymers Encapsulated -Mangosteen Drugs for Breast Cancer Cells Therapy DOI: 10.3390/polym14153163 -
hyder 1.0
“The bands at 603.71 and 602.71 correspond to the C-Cl (alkyl halides).”
Pirtarighat 等 - 2019 - Green synthesis of silver nanoparticles using the DOI: 10.1007/s40097-018-0291-4 -
hyder 0.9
“Explicit assignment: 'Fe3+-O2- bond at tetrahedral (A-site)'.”
Influence of cobalt substitution on structural, optical, electrical and magnetic properties of nanosized lithium ferrite DOI: 10.1007/s10854-018-9744-2
Oes gennych sbectrwm gyda＇r band hwn?
Llwythwch eich sbectrwm FTIR i fyny a chael adroddiad dehongli llawn — aseiniadau brig gyda chyfeiriadau llenyddiaeth, cyfateb llyfrgell, a chadwyn dystiolaeth â gradd hyder — mewn eiliadau.