What absorbs at 3059 cm⁻¹ in an FTIR spectrum?
A band near 3059 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 3059 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 |
|---|---|---|---|
| Alkyl C-H | 6 | 6 | 1,0 |
| Aromatic ring | 6 | 6 | 1,0 |
| N h | 1 | 1 | 1,0 |
| Alkene (C=C) | 1 | 1 | 1,0 |
| Ring structure | 1 | 1 | 1,0 |
| Oxygen heterocycle | 1 | 1 | 1,0 |
| Hydrogen bond | 1 | 1 | 1,0 |
Röðun endurspeglar uppsöfnuð ritrýnisgögn, ekki eina valdboðsreglu. Staðfestu alltaf í samhengi við sýnið þitt.
Möguleg efni
| Efni | Stuðningstindar | Skarast hópar | Tilvitnuð heimildir |
|---|---|---|---|
| Polystyrene | 3059, 1020, 1600 | Aromatic ring, Alkyl C-H | 2 |
| polyethylene | 3059, 1737, 1720 | Alkyl C-H, Aromatic ring | 2 |
| Chitosan | 3059, 1650, 1655 | Alkyl C-H, N h | 1 |
| graphene oxide | 3059, 1150, 3400 | Alkyl C-H | 1 |
| hydroxyapatite | 3059, 1620, 1639 | Alkyl C-H | 1 |
| cotton | 3059, 1030, 1638 | Alkyl C-H | 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 3059 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
-
Aromatic ring öryggi 1,0
“The peak of 2922.36 cm-1 attributed to C-H bonds with benzene, and the band at 3059.46 corresponded to (Ar-H) bond absorption [19].”
Hidayani 等 - 2022 - Acoustic and Mechanical Properties of Polystyrene DOI: 10.37358/Mat.Plast.1964 -
Alkyl C-H öryggi 1,0
“The band at 2922.36 cm-1 and 3059.46 cm-1 corresponded to C-H bonds with benzene and Ar-H.”
Preparation and Characterization of Sound-Absorbent Based on Polystyrene Reinforced Primary Sludge and Fly Ash from Pulp Mill DOI: 10.14716/ijtech.v14i3.5131 -
Alkyl C-H öryggi 1,0
“The spectrum cm-1 TEL demonstrated the characteristic peaks at 3059 (aroof cm-1 cm-1 matic C H stretch), 2957 (aliphatic C H stretch), 1699 cm-1 (carboxylic acid), 1599 (aromatic C C bending and stretchcm-1”
Telmisartan complex augments solubility, dissolution and drug delivery in prostate cancer cells DOI: 10.1016/j.carbpol.2013.09.077 -
Oxygen heterocycle öryggi 1,0
“cm-1 hydroxyl group of cellulose contributed to the peak at 3425 Additionally, a small band found at 3059 was associated with the copolymer's oxirane ring.”
Cotton functionalized with polyethylene glycol and graphene oxide for dual thermoregulating and UV-protection applications DOI: 10.1038/s41598-023-31415-z -
Alkene (C=C) öryggi 1,0
“1,6-Bis[4-(phenyliminomethylidene)-phenoxy]-hexane cm-1): ν, FTIR (KBr, 3059 (=C-H stretch of the aromatic rings), 2940-2866 (C-H stretch of aliphatic chains), 1620 (-N=CHstretch), 1606, 1573, 1507 (C-C ring stretch), 1244, 1H-NMR 1165 (C-O”
Mesomorphic Behavior of Symmetric Azomethine Dimers Containing Different Chromophore Groups DOI: 10.3390/molecules26082183 -
Aromatic ring öryggi 1,0
“Bands at 3059, 2986, 2918, and 2824 broad band at 3456 cm-1 cm-1 were due to both aromatic and aliphatic C-H stretching vibrations.”
Inclusion and release of theophylline from chitosan based microparticles DOI: 10.3906/kim-0812-29 -
Alkyl C-H öryggi 1,0
“3026 C - H stretching methyl group 3059 C - H stretching methylene group 3082 C - H stretching methylene group”
Siddaiah 等 - 2018 - DOI: 10.1590/1980-5373-MR-2017-0987 -
öryggi 1,0
“symmetric vibration of cis-HC=CHAbsent 3058.77 3052.99 N-H and aliphatic chain -CH 2- (C-H) stretching 2921.95”
Formulation, Configuration, and Physical Properties of Dental Composite Resin Containing a Novel 2π + 2π Photodimerized Crossl DOI: 10.5005/jp-journals-10024-3480
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