What absorbs at 3005 cm⁻¹ in an FTIR spectrum?
Et bånd nær 3005 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
Mulige funksjonelle gruppe-tilordninger
| Funksjonell gruppe | Støttende fakta | Siterte kilder | Toppkonfidens |
|---|---|---|---|
| Alkyl C-H | 7 | 7 | 1.0 |
| Fatty acid | 3 | 3 | 1.0 |
| Alkene (C=C) | 3 | 2 | 1.0 |
| Hydroxyl (O-H) | 1 | 1 | 1.0 |
| Hydrogen bond | 1 | 1 | 1.0 |
Rangeringen gjenspeiler akkumulert litteraturbevis, ikke en enkelt autoritativ regel. Bekreft alltid mot prøvekonteksten din.
Litteratur bak disse tilordningene
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Alkyl C-H konfidens 1.0
“The peak at 3005 attributes to the stretching vibrations of C-H in cm-1 H-C=C and the peak at 718.8 corresponds to out-of-plane bending vibrations of ACCEPTED”
Liang 等 - 2017 - Thermo-stability and aging performance of modified DOI: 10.1016/j.matdes.2017.04.060 -
Alkyl C-H konfidens 1.0
“3005 attributed to =CH stretching vibrations indicates the presence of unsaturated fatty acids in glycerides and wax esters of sebaceous components.”
Optimization of Electrochemical Visualization of Latent Fingerprints with Poly(Neutral Red) on Brass Surfaces DOI: 10.3390/polym13193220 -
Alkyl C-H konfidens 1.0
“cm-1 increase in absorption and shaper peaks were obtained 1091.71 (C-O stretching), 1288.45 (C-O cm-1 and growth of nanoparticles was also enhanced but stretching) and 1334.74 (O-H bending), 1419.61 cm-1 cm-1 (C=C if concentration of subst”
Iqtedar 等 - 2020 - Biosynthesis, optimization and characterization of DOI: 10.24275/rmiq/Bio1605 -
Alkyl C-H konfidens 1.0
“~1080 glycogen (C-O stretching at ~1030 and protein phosphorylation (~970 cm-1, The high-region, between 3700-2800 can also be used for analysis, where information of water cm-1), cm-1), (-OH stretching at ~3275 protein (symmetric -NH stret”
Morais 等 - 2020 - Tutorial multivariate classification for vibratio DOI: 10.6084/m9.figshare.7607420.v1; -
Fatty acid konfidens 1.0
“Moreover, the other unsaturated lipid [21,22] and saturated fatty acid [22]) were loaded for PC1, which separated the cm-1 negative values of PC1 loading of the respective peaks at 3005 and 2956 (assigned as unsaturated positive score of th”
FTIR Microspectroscopy for the Assessment of Mycoplasmas in HepG2 Cell Culture DOI: 10.3390/app10113766 -
Alkyl C-H konfidens 1.0
“[13,30,32], 1376 a maximum at 3005 (bending symmetric vibration of This finding is due to the oil C-H bonds of CH”
Poiana 等 - 2015 - Use of ATR-FTIR spectroscopy to detect the changes DOI: 10.1515/chem-2015-0110 -
Alkene (C=C) konfidens 1.0
“The absorption band at 3005 in the spectrum of fatty esters (a) is attributed to unsaturated alkenes (-C=C-H), which has been completely disappeared in the spectrum of epoxidized fatty ester (b).”
Microwave-Assisted Catalytic Synthesis of Bio-Based Copolymers from Waste Cooking Oil DOI: 10.3390/ma10030315 -
konfidens 1.0
“By blending of high cm-1 hydrolysis, oxidation, isomerization, and polymerization due unsaturated oils with palm olein, a clear shift of 3007 cm-1 to high temperature and absorption of water and oxygen band to 3005 occurs.”
Siddique 等 - 2015 - Effect of frying on the rheological and chemical p DOI: 10.1007/s13197-013-1124-6
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