What absorbs at 599 cm⁻¹ in an FTIR spectrum?
A band near 599 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 5 cited sources
Snabbt svar
A band near 599 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.
Möjliga identifieringar av funktionella grupper
| Funktionell grupp | Stödjande fakta | Citerade källor | Högsta förtroende |
|---|---|---|---|
| Alkyl C-H | 2 | 2 | 1,0 |
| N h | 2 | 2 | 1,0 |
| Methyl | 1 | 1 | 1,0 |
| Phosphate (PO4) | 1 | 1 | 1,0 |
| Carboxyl (COOH) | 1 | 1 | 1,0 |
| Fluorine (C-F) | 1 | 0 | 1,0 |
Rankingen speglar ackumulerade litteraturbevis, inte en enda auktoritativ regel. Bekräfta alltid mot din provkontext.
Möjliga material
| Material | Stödjande toppar | Överlappande grupper | Citerade källor |
|---|---|---|---|
| Chitosan | 599, 1650, 1655 | Alkyl C-H, N h | 1 |
| zinc oxide | 599, 1627, 1638 | Alkyl C-H | 1 |
| zinc oxide nanoparticles | 599, 1744, 1627 | Alkyl C-H | 1 |
Material visas endast när samma litteraturpool stöder detta band och minst en ytterligare karakteristisk topp.
Spektrumlogik
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 599 cm⁻¹ is usually not enough for material identification by itself.
Användning i verkligheten
Denna typ av fråga är vanlig inom polymeridentifiering, screening av okänd plast, felsökning av kvalitetskontroll, verifiering av återvunnet material och litteraturstödd toppidentifieringsgranskning.
Vanliga misstag
- Behandla ett isolerat band som bevis på ett material utan att kontrollera minst en eller två stödjande toppar.
- Ignorerar överlapp: flera funktionella grupper kan bidra nära samma vågtal.
- Hoppa över validering när tillsatser, blandningar, oxidation eller föroreningar kan förvränga spektrat.
Verifieringsråd
När oklarhet kvarstår, validera hypotesen med DSC, GC-MS eller TGA, särskilt för blandningar, nedbrutna prover och fyllda polymerer.
Litteratur bakom dessa identifieringar
-
Carboxyl (COOH) förtroende 1,0
“The band at 599 and 509 corresponds (COO-)[24].TheZn-Ostretchingvibration todeformation nanoparticles δ bandwasfoundat435cm-1 forZnO-GWNPs[21,22,25].The”
Dhayalan 等 - 2021 - Eco friendly synthesis and characterization of zin DOI: 10.1515/nanofab-2020-0104 -
Phosphate (PO4) förtroende 1,0
“Finally, increased 1024, 626, and 500 PO b m cm-1 a bands which were observed at 599 and 559 indicated P-O stretching, OH c .”
Guben 和 Ege - 2019 - Physico-chemical Effects of Gelatin Addition in Ca DOI: 10.1557/adv.2019.239 -
Alkyl C-H förtroende 1,0
“atom skeleton in the region between 1000 and How750cm-1 ever, the band at in the CH 3Mn(CO) may be tenta5 tively assigned to methyl rocking vibration since it does not 599cm-1 appear in CD 3Mn(CO) and new band at appear”
Mahmood 等 - 2006 - Comparative vapour phase FTIR spectra and vibratio DOI: 10.1016/j.saa.2005.11.024 -
förtroende 1,0
“Furthermore, a char1,599cm-1 (1) acteristic peak at in corresponds to the amino group.”
Khodaei 等 - 2018 - Covalent Immobilization of Protein A on Chitosan a DOI: 10.1093/chromsci/bmy070 -
förtroende 1,0
“~3394 (stretching ~2915, 2909, 2844 and ~1461 and 1462 (C-H stretching vibrations), 7 vibrations of the amino 2847 (vibrations of the bending vibrations), ~599 (stretching group N-H) C-H methylene group) ~1116 and 1107 (C-O vibrations of al”
Markowicz 和 Szymanska-Pulikowska - 2021 - Assessment of the Decomposition of Oxoand Biodeg DOI: 10.3390/ma14216449
Har du ett spektrum med detta band?
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