What absorbs at 3009 cm⁻¹ in an FTIR spectrum?
Ивица близо до 3009 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 |
|---|---|---|---|
| Alkene (C=C) | 5 | 4 | 1,0 |
| Aromatic ring | 1 | 1 | 1,0 |
| Fatty acid | 1 | 1 | 1,0 |
| Carboxyl (COOH) | 1 | 1 | 1,0 |
| Hydroxyl (O-H) | 1 | 1 | 1,0 |
| Alkyl C-H | 1 | 0 | 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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Hydroxyl (O-H) достоверност 1,0
“the time and added enzyme effects were evaluated, cm-1) which resulted in the conversion of 50 and 45% of the unsaturation peak (3009 for the 24 h reactions with and without acrylic immobilization, respectively, in addition to cm-1), altera”
Montenegro 等 - 2023 - Enzymatic and Synthetic Routes of Castor Oil Epoxi DOI: 10.3390/polym15112477 -
Fatty acid достоверност 1,0
“Another band appears at 3009 corresponding to the (H-C=) stretching vibration, which can be related to unsaturation in fatty acids, which is obviously greatest in the Brazilian coffee (B).”
Obeidat 等 - 2018 - Application of FTIR Spectroscopy for Assessment of DOI: 10.1007/s10812-018-0585-9 -
Aromatic ring достоверност 1,0
“and 3009 aromatic C-H stretch was found at 3012 in NF-NDs/PAP/PANi/PTh and F-NDs/PAP/ An FTIR specPANi/PTh, respectively.”
Ashraf 等 - 2014 - Preparation and properties of multilayered polymer DOI: 10.1515/polyeng-2013-0297 -
Alkene (C=C) достоверност 1,0
“a small peak was seen in all of the samples at 3009 This peak is caused by the symmetric stretching vibration of alkene double bonds, which suggests that all of the”
The Influence of Emulsifiers on the Physiochemical Behavior of Soy Wax/Rice Bran Oil-Based Oleogels and Their Application in Nutraceutical Delivery DOI: 10.3390/gels9010047 -
Alkene (C=C) достоверност 1,0
“By analyzing and sesses two cis-alkene characteristic peaks which appear at 1660 and 3009 cm-1, representcomparing the spectra, it was found that the spectrum of the pristine jatropha possesses ing stretching vibrations of C=C and C=C-H, re”
Degradable Slow-Release Fertilizer Composite Prepared by Ex Situ Mixing of Inverse Vulcanized Copolymer with Urea DOI: 10.3390/agronomy12010065 -
Alkene (C=C) достоверност 1,0
“LLM confirmed rule peak-group candidate”
Direct Polypropylene and Polyethylene Liquefaction in CO2 and N2 Atmospheres Using MgO Light and CaO as Catalysts DOI: 10.3390/ma15030844
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