Results 221 to 230 of about 125,161 (265)
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THE THERMAL DECOMPOSITION OF CARBOHYDRATES
Canadian Journal of Research, 1948The thermal decompositions of cellobiose, maltose, dextrose, and potato starch have been studied over a temperature range, by following the production of volatile products. Carbon dioxide, carbon monoxide, and water with small quantities of acids, aldehydes, and volatile solids were produced in all cases.
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Thermal decomposition of dicyclopentadienylarylvanadium compounds
Journal of Organometallic Chemistry, 1977The thermolysis of compounds of the type Cp2VR (R = aryl) in the solid state has been studied. A distinct increase in thermal stability is observed upon substitution of the ortho-position of the aryl group. Thermal decomposition occurs with formation of RH, Cp2V, a vanadocene homologue with the group R substituted in one of the Cp rings and, probably ...
Boekel, C.P. +3 more
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Thermal decomposition of β-FeOOH
Materials Letters, 2004beta-FeOOH particles were prepared by a forced hydrolysis of the 0.1 M FeCl3 + 5(.)10(-3) M HCl solution, whereas sulfated beta-FeOOH particles were prepared by forced hydrolysis of the 0.1 M FeCl3 solution containing 5.10(-3) M quinine hydrogen sulfate (QHS).
Popović, Stanko +2 more
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Thermal decomposition of 4,4′-diaminodiphenylsulphone
Thermochimica Acta, 1995Abstract The thermal decomposition of 4,4′-diaminodiphenylsulphone (DDS) was studied by thermogravimetry, differential scanning calorimetry and thermal volatilisation analysis. Solid residues, high-boiling and gaseous products of degradation were collected at each step of thermal decomposition and analysed by infrared spectroscopy and gas ...
S. V. Levchik +3 more
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Thermal Growth and Decomposition of Methylnaphthalenes
Environmental Science & Technology, 2005Diesel particulate matter (DPM) has been recognized as carcinogenic due to its respirable sizes and toxic compositions. It is essential to understand its formation mechanisms to effectively reduce DPM emissions. Studies have indicated that resonance stabilize radicals can result in more soot and PAC (polycyclic aromatic compounds) formation in ...
Jun, Yang, Mingming, Lu
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Thermal decomposition of GaAs nanowires
Nanotechnology, 2019Abstract The realization of GaAs nanowire (NW) high-performance quantum devices operated at room temperatures requires that their diameters have to be less than 10 nm. It is shown, that the GaAs NWs with sub 10 nanometers diameters can be fabricated using the thermal decomposition technique.
Igor Ilkiv +3 more
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The thermal decomposition of methyl chloroformate
Australian Journal of Chemistry, 1976In the presence of inhibitors, methyl chloroformate decomposes at 425- 480° to methyl chloride and carbon dioxide in a homogeneous molecular reaction.
RL Johnson, VR Stimson
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Thermal Decomposition of Potassium Perchlorate
Nature, 1950PERCHLORIC acid is often determined as potassium chloride by repeated ignition of potassium perchlorate, mixed with excess ammonium chloride and in presence of platinum as catalyst. It is currently assumed that the reducing agent is the ammonia, though K. A. Hofmann and W. Linnmann1 have shown that gaseous ammonia does not reduce perchlorate below 430°
A, GLASNER, L, WEIDENFELD
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Thermal Decomposition Mechanism of Disilane
The Journal of Physical Chemistry A, 2006Thermal decomposition of disilane was investigated using time-of-flight (TOF) mass spectrometry coupled with vacuum ultraviolet single-photon ionization (VUV-SPI) at a temperature range of 675-740 K and total pressure of 20-40 Torr. Si(n)H(m) species were photoionized by VUV radiation at 10.5 eV (118 nm). Concentrations of disilane and trisilane during
Kazumasa, Yoshida +4 more
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Thermal decomposition products of butyraldehyde
The Journal of Chemical Physics, 2013The thermal decomposition of gas-phase butyraldehyde, CH3CH2CH2CHO, was studied in the 1300–1600 K range with a hyperthermal nozzle. Products were identified via matrix-isolation Fourier transform infrared spectroscopy and photoionization mass spectrometry in separate experiments.
Courtney D, Hatten +4 more
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