What absorbs at 3012 cm⁻¹ in an FTIR spectrum?
A band near 3012 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 7 cited sources
可能的官能基指派
| 官能基 | 支持事實 | 引用來源 | 最高信心 |
|---|---|---|---|
| Alkyl C-H | 5 | 4 | 1.0 |
| Alkene (C=C) | 3 | 2 | 1.0 |
| Lipid | 1 | 1 | 1.0 |
| Fatty acid | 1 | 1 | 1.0 |
排名反映累積的文獻證據，而非單一權威規則。請務必根據您的樣品背景進行確認。
這些指派背後的文獻
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Alkene (C=C) 信心 1.0
“3012cm-1 ProTM for the integrated intensity of the olefinic peak Immediately upon acquiring the cryosection, each slide was (peakwidth:3016.1-3008.4cm-1,baseline:3020-2997cm-1)and storedinaslideboxinsideastyrofoamcontainerwithdryice.The 173”
Tissue acquisition and storage associated oxidation considerations for FTIR microspectroscopic imaging of polyunsaturated fatty acids DOI: 10.1016/j.vibspec.2011.10.016 -
Alkyl C-H 信心 1.0
“The FTIR spectrum revealed that a robust olefinic=CH band arose at about 3012 cm-1.”
Application of FTIR and LA-ICPMS Spectroscopies as a Possible Approach for Biochemical Analyses of Different Rat Brain Regions DOI: 10.3390/app8122436 -
Alkyl C-H 信心 1.0
“The inhibition diameters of carbonate), 2855.58 (methyne C-H stretch), 2925.54 (methyl the control group against these four kinds of pathogens were ± C-H stretch), 3012.09 (olefinic group), and 3415.74 (hydroxyl 8.00 0.00 mm, as was the out”
Ao 等 - 2022 - Green synthesis of biogenetic Te(0) nanoparticles DOI: 10.3389/fmicb.2022.1020179 -
Alkyl C-H 信心 1.0
“3012 arose from =CH stretching vibrations”
Morphology, physicochemical properties and antioxidant capacity of bee pollens DOI: 10.17221/139/2018-CJFS -
Alkene (C=C) 信心 1.0
“Once lipids are oxidized, the cis-double bond rearranges to form a trans-double bond, resulting in the decrease of the band at 3012 cm-1 [28,36,61].”
Detection of Lipid Oxidation in Infant Formulas: Application of Infrared Spectroscopy to Complex Food Systems DOI: 10.3390/foods9101432 -
Fatty acid 信心 1.0
“Omega fatty acids were identified by absorption bands at ~1743 cm-1 and ~3012 cm-1.”
Crypthecodinium cohnii Growth and Omega Fatty Acid Production in Mediums Supplemented with Extract from Recycled Biomass DOI: 10.3390/md20010068 -
Alkyl C-H 信心 1.0
“The peak at 3012 related to the C-H stretching vibration of the cis-”
Gimenez 等 - 2011 - Evaluation of lipid oxidation in horse mackerel pa DOI: 10.1016/j.foodchem.2010.07.097
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