Reactions of Ethyl Alcohol.

Morris, H. E.

doi:10.1021/cr60037a003

Cited by 19 publications

(10 citation statements)

References 21 publications

(36 reference statements)

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“…Nevertheless, the mechanisms according to results of related research can associate with all this reaction. Morris [ 36 ] reported that the oxidation of ethylene glycol to acetaldehyde and to acetic acid as shown in Equations (2) and (3). The acetic acid decomposes to form acetate ions (CH 3 COO − ) and hydrogen ions (H + ), as shown in Equation (4).…”

Section: Resultsmentioning

confidence: 99%

The Synthesis of α-MoO3 by Ethylene Glycol

Chiang

Yeh

2013

Materials

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This study investigated the use of ethylene glycol to form α-MoO3 (molybdenum trioxide) from ammonium molybdate tetrahydrate at various sintering temperatures for 1 h. During the sintering process, the morphologies of the constituents were observed using scanning electron microscopy (SEM), and Fourier transform infrared (FTIR) spectroscopy was used to explain the reaction process. In this work, the results obtained using X-ray photoelectron spectroscopy (XRD) demonstrated that, when the molybdenum trioxide powder was treated thermally at 300 °C, the material exhibited crystallinity. The peaks were indexed to correspond with the (110), (040), (021), (111), and (060) crystallographic planes, and the lattice parameters of a, b, and c were about 3.961, 13.876, and 3.969 Å. Using these observations, we confirmed that orthorhombic α-MoO3 was formed for sintering temperatures from 300 to 700 °C. Pattern images were obtained by the selected area electron diffraction pattern (SAED) technique, and the d distance of the high resolution transmission electron microscopy (HRTEM) images were almost 0.39 and 0.36 nm, and the Mo 3d5/2, Mo 3d3/2, and O 1s of X-ray photoelectron spectroscopy (XPS) were located at 233.76, 237.03, and 532.19 eV, which also demonstrated that α-MoO3 powder had been synthesized.

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Section: Resultsmentioning

confidence: 99%

The Synthesis of α-MoO3 by Ethylene Glycol

Chiang

Yeh

2013

Materials

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“…4), and the strong band at 1740 cm -1 can be ascribed to the stretching of C=O of acetaldehyde. Pyrolysis of ethanol can proceed through two alternative mechanisms: dehydration with formation of ethylene and water, or dehydrogenation leading to the formation of acetaldehyde and hydrogen (undetectable by FTIR) [47]. The presence of the bands at 2800 cm -1 and 2700 cm -1 , typical of the C-H vibrations in the aldehyde groups [48], confirms the presence of acetaldehyde.…”

Section: Ftir-ega Analysis To Identify the Mechanisms Of Thermally Stimulated Processesmentioning

confidence: 99%

Morphological and thermal characterization of zirconia/hydroxyapatite composites prepared via sol-gel for biomedical applications

Catauro

Bollino

Tranquillo

et al. 2019

Ceramics International

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The thermal behavior of pure ZrO 2 and hydroxyapatite (denoted as Z and HAp, respectively), as well as three composites with different content of Z and HAp (Z90HAp10, Z70HAp30 and Z50HAp50) prepared via sol-gel method has been studied by thermogravimetry (TG) and first-order derivative of TG up to 1200°C under inert gas atmosphere. Dehydration, loss of alcohol and acetylacetone and a multi-step thermal decomposition processes has been identified by analyzing the gases evolved in each step by Fourier transform infrared spectroscopy (FTIR). Fresh samples of Z-rich composites undergo an abrupt ejection of material from the crucible around 200°C with noticeable increase of the sample temperature. During the occurrence of this phenomenon FTIR spectra demonstrated the evolution of gases (CO, CO 2 , acetone and ethylene) due to the simultaneous decomposition of acetylacetone and ethanol, not present in the samples calcined at 120°C. As far as the structural study is concerned, pure Z crystallizes at 1000°C in the monoclinic system, but the presence of HAp in the composite materials enables the crystallization of Z in the 2 tetragonal phase. Finally, the amorphization degree increases with increasing the content of Z in all the composites treated at 600 and 1000°C.

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“…Then acetaldehyde continue to oxidize to acetic acid, as shown in Eq. (2) [9] and acetic acid decomposes to form acetate ions (CH 3 COO À ) and hydrogen ions (H þ ), as shown in Eq. ( …”

Section: Formation Of V 2 O 5 Powdersmentioning

confidence: 99%