What absorbs at 3055 cm⁻¹ in an FTIR spectrum?
Et bånd nær 3055 cm⁻¹ kan peke på flere funksjonelle grupper. Nedenfor er de mest sannsynlige tildelingene, rangert etter hvor mye publiserte bevis som støtter hver — hver enkelt sporbar til litteratur (DOI) og kryssvalidert mot våre 130 000+ referansespektre og kunnskapsgraf.
Backed by 8 cited sources
Raskt svar
A band near 3055 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.
Mulige funksjonelle gruppe-tilordninger
| Funksjonell gruppe | Støttende fakta | Siterte kilder | Toppkonfidens |
|---|---|---|---|
| Alkyl C-H | 3 | 3 | 1.0 |
| Aromatic ring | 2 | 2 | 1.0 |
| Hydroxyl (O-H) | 2 | 2 | 1.0 |
| N h | 2 | 2 | 1.0 |
| Silicon-oxygen (Si-O) | 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 |
| Secondary amine | 1 | 1 | 1.0 |
Rangeringen gjenspeiler akkumulert litteraturbevis, ikke en enkelt autoritativ regel. Bekreft alltid mot prøvekonteksten din.
Mulige materialer
| Materiale | Støttetopper | Overlappende grupper | Siterte kilder |
|---|---|---|---|
| epoxy | 3055, 1660, 1735 | Alkyl C-H, Aromatic ring | 1 |
| ZnO | 3055, 1400, 3430 | Hydroxyl (O-H), Alkyl C-H | 1 |
| graphene oxide | 3055, 1150, 3400 | Hydroxyl (O-H), Alkyl C-H | 1 |
| GO | 3055, 1720, 1182 | Hydroxyl (O-H), Alkyl C-H | 1 |
| biochar | 3055, 1640, 1115 | Alkyl C-H, Hydroxyl (O-H), Aromatic ring | 1 |
Materialer vises kun når samme litteraturbase støtter dette båndet og minst en annen karakteristisk topp.
Spektrum-logikk
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 3055 cm⁻¹ is usually not enough for material identification by itself.
Virkelig bruk
Denne typen forespørsel er vanlig i polymeridentifikasjon, screening av ukjent plast, feilsøking i kvalitetskontroll, verifisering av resirkulert materiale og litteraturstøttet gjennomgang av topptilordning.
Vanlige feil
- Behandle ett isolert bånd som bevis på et materiale uten å sjekke minst en eller to støttende topper.
- Ignorerer overlapping: flere funksjonelle grupper kan bidra nær samme bølgetall.
- Hopp over validering når tilsetningsstoffer, blandinger, oksidasjon eller forurensning kan forvrenge spekteret.
Verifiseringsråd
Når tvetydighet gjenstår, valider hypotesen med DSC, GC-MS eller TGA, spesielt for blandinger, nedbrutte prøver og fylte polymerer.
Litteratur bak disse tilordningene
-
Alkyl C-H konfidens 1.0
“(sp3 hybrids) peak was located at 3055 C-H stretching for aliphatic hybrids) aromatic cm(cid:3)1.”
Effect of used motor oil as a rejuvenator on crumb rubber modifier’s released components to asphalt binder DOI: 10.1177/1477760620918600 -
N h konfidens 1.0
“The heating induces the declining intensity of NH group absorption MG3055A and 55oC, 5oC MG3055B were treated at higher than MG3050A underwent in the heating.”
Raharja 等 - 2017 - Mocaf Cross-Linking with Gluten to Improve The Qua DOI: 10.1063/1.4978123 -
konfidens 1.0
“The bands between 2405 and 200 300 400 500 600 700 3055cm-1 were caused by the O-C-O bond [15].”
Verma 等 - 2022 - Morphological, Structural, and Optical Properties DOI: 10.1155/2022/6250706 -
Hydroxyl (O-H) konfidens 1.0
“LLM confirmed rule peak-group candidate”
Chelliah 等 - 2023 - Photocatalytic Organic Contaminant Degradation of DOI: 10.3390/separations10030156 -
konfidens 1.0
“The FT-IR spectrum of pristine cm-1 and carboxylate typical stretching frequencies, including N-H asymmetric stretching at 3055 cm-1 L-proline shows typical stretching frequencies, including N-H asymmetric stretching at 3055 (COO-) cm-1, (C”
Non-Covalent Supported of l-Proline on Graphene Oxide/Fe3O4 Nanocomposite: A Novel, Highly Efficient and Superparamagnetically Separable Catalyst for the Synthesis of Bis-Pyrazole Derivatives DOI: 10.3390/molecules23020330 -
konfidens 1.0
“The FTIR spectrum of the product also excm-1, ν(Si-O-C) together with the antisymmetric and symmetric modes at 1077 and 942 hibits the characteristic band at 3055 cm-1 arising from ν(CNapht-H), together with the antirespectively [58,59].”
Thiolated Janus Silsesquioxane Tetrapod: New Precursors for Functional Materials DOI: 10.3390/molecules27227680 -
Hydroxyl (O-H) konfidens 1.0
“3400 Stretching of (O-H) binding 3055 Stretching of (C-H) and oxirane ring 2965-2873 Stretching of (C-H) and (CH 2) aromatic and aliphatic groups”
Ballistic Performance, Thermal and Chemical Characterization of Ubim Fiber (Geonoma baculifera) Reinforced Epoxy Matrix Composites DOI: 10.3390/polym15153220 -
Aromatic ring konfidens 1.0
“The 3055 c r ip band was assigned to aromatic ν(CH), and the relative intensity of this band increased with t”
Singh 等 - 2016 - A Fourier-Transform Infrared Study of Biochar Agin DOI: 10.2136/sssaj2015.11.0414.
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