What absorbs at 855 cm⁻¹ in an FTIR spectrum?
Ивица близо до 855 cm⁻¹ може да сочи към няколко функционални групи. По-долу са най-вероятните присвоявания, подредени по количеството публикувани доказателства, които ги подкрепят — всяко едно проследимо до литература (DOI) и кръстосано валидирано спрямо нашите 130 000+ референтни спектъра и графика на знанията.
Backed by 6 cited sources
Възможни определяния на функционални групи
| Функционална група | Подкрепящи факти | Цитирани източници | Най-висока достоверност |
|---|---|---|---|
| Alkyl C-H | 2 | 2 | 1,0 |
| Carboxyl (COOH) | 1 | 1 | 1,0 |
| Carbonyl (C=O) | 1 | 1 | 1,0 |
| Hydrogen bond | 1 | 1 | 1,0 |
| Ring structure | 1 | 1 | 1,0 |
Класирането отразява натрупаните литературни доказателства, а не единично авторитетно правило. Винаги потвърждавайте спрямо контекста на вашата проба.
Литература зад тези определяния
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Ring structure достоверност 1,0
“The trend cm-1 observedfortheeffectofextrusionontheinitialcrystaltype ring vibration, while 855 was the 2a peak of D-gluco-”
Cao 等 - 2020 - Optimization of the preparation process of mung be DOI: 10.1515/ijfe-2020-0025 -
Alkyl C-H достоверност 1,0
“2 Characteristic FTIR spectra of grease waste before bioremediation, showing bifurcated peaks at 2,855 cm-1 C-H and 2,926 represented aliphatic stretch biodegradation of hydrocarbons was observed faster compared to anaerobic degradation”
Negi 和 Kumar - 2012 - Evaluation of Techniques Used for Parameters Estim DOI: 10.1007/s12010-012-9562-6 -
Hydrogen bond достоверност 1,0
“855cm1 tonic center of gravity at due to the strong hydrogen bonding in the formed complex.”
Alghanmi - 2019 - Synthesis, Characterization, and Biological Evalua DOI: 10.1155/2019/1743147 -
Alkyl C-H достоверност 1,0
“cm-1 2800-2930 vibrations.19 thickness the C-H stretching The cm-1 could be assigned to the band observed at 855 ring.20 FTIR spectra of the coatings were analyzed to identify stretching vibrations of the oxirane The comparison of the spect”
Development of layer‐by‐layer assembled thin coatings on aluminium alloy AA2024‐T3 for high resolution studies of local corrosion processes DOI: 10.1002/app.49826 -
Carbonyl (C=O) достоверност 1,0
“cm-1 cm-1 serum: 1656, 1632, 1555, and 1590 cm-1 associated with amide II and I of proteins, 1412 1656, 1632, 1555, and 1590 associated with amide II and I of proteins, 1412 and1122cm-1 cm-1 associated most probably with CH3 bands in lipids”
Araujo 等 - 2022 - Plasma versus Serum Analysis by FTIR Spectroscopy DOI: 10.3390/biotech11040056 -
Carboxyl (COOH) достоверност 1,0
“Moreover, pronounced intensities at over, pronounced intensities at ~500, 850 and 950 cm-1 were observed, which correspond cm-1 cm-1), to C-C-O bending (540 cm-1), C-COO stretching (855 cm-1) and CH3 rocking (930 cm-1), ~500, 850 and 950 we”
Towards Autonomous Operation by Advanced Process Control—Process Analytical Technology for Continuous Biologics Antibody Manufacturing DOI: 10.3390/pr9010172
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