What absorbs at 2022 cm⁻¹ in an FTIR spectrum?
A band near 2022 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 6 cited sources
Penetapan kumpulan berfungsi yang mungkin
| Kumpulan berfungsi | Fakta sokongan | Sumber dipetik | Keyakinan tertinggi |
|---|---|---|---|
| Alkyl C-H | 3 | 3 | 1.0 |
| Lipid | 1 | 1 | 1.0 |
| Hydroxyl (O-H) | 1 | 1 | 1.0 |
| Metal oxygen | 1 | 1 | 1.0 |
Pemeringkatan mencerminkan bukti literatur terkumpul, bukan satu peraturan berwibawa. Sentiasa sahkan terhadap konteks sampel anda.
Literatur di sebalik penetapan ini
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Metal oxygen keyakinan 1.0
“536 538 536 Cu-O bond vibration Nanomaterials2022,12,3589 8of19”
Effect of Calcination Temperature on Structural, Morphological and Optical Properties of Copper Oxide Nanostructures Derived from Garcinia mangostana L. Leaf Extract DOI: 10.3390/nano12203589 -
Alkyl C-H keyakinan 1.0
“The current results spectrum reported that the NMB FAXs cm-1 spectra band at 3281 resembles the stretching of the OH groups and the band at cm-1 2922 the CH2 groups, while ferulated arabinoxylans of NNMB showed the band at Foods2022,11,3374”
Biochemical and Structural Characterization of Ferulated Arabinoxylans Extracted from Nixtamalized and Non-Nixtamalized Maize Bran DOI: 10.3390/foods11213374 -
Alkyl C-H keyakinan 1.0
“Additionally, the band at 3014.44 corresponded to C-H stretch in (a) i and ii, respectively, whereas in (b) iv and v, the C-H band is at Nanomaterials2022,12,2184 7of13 cm-1.”
Green Synthesis of Crystalline Silica from Sugarcane Bagasse Ash: Physico-Chemical Properties DOI: 10.3390/nano12132184 -
Alkyl C-H keyakinan 1.0
“LLM confirmed rule peak-group candidate”
Wernle 和 Gilbert - 2005 - Micromechanics of shelf-aged and retrieved UHMWPE DOI: 10.1002/jbm.b.30285 -
Hydroxyl (O-H) keyakinan 1.0
“deformation in carbohydrate-related compounds [5]) and 670 cm-1 (OH bending and outJ.Fungi2022,8,1299 6of12 of-plane stretching of hemicellulose-related compounds [1]) disappeared for the wood treated with 0.1% of Al2O3 exposed to the T.”
Acosta 等 - 2022 - Alumina as an Antifungal Agent for Pinus elliottii DOI: 10.3390/jof8121299 -
Lipid keyakinan 1.0
“A clean ATR crystal was assessed by recording a spectrum of dichloromethane without performing a new background and observing peaks Sensors2022,22,1744 6of15 cm-1 around 2900 corresponding to the lipid components with a peak height less tha”
Prediction of Neonatal Respiratory Distress Biomarker Concentration by Application of Machine Learning to Mid-Infrared Spectra DOI: 10.3390/s22051744
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