Epoxy compounds usually have stronger nucleophilic ability, because the alkyl group on the oxygen atom makes the bond angle smaller, which makes the lone pair of electrons react more dissimilarly with the electron-deficient system. Compound: Aluminum(III) sulfate xhydrate, is researched, Molecular Al2H8O13S3, CAS is 17927-65-0, about Tribochemistry and kinetics of Al2(SO4)3.xH2O decomposition.Related Products of 17927-65-0.
The thermal decomposition of tribochem. activated Al2(SO4)3.xH2O was studied by TG, DTA and EMF methods. For some of the intermediate solids, x-ray diffraction and IR-spectroscopy were applied to learn more about the reaction mechanism. Thermal and EMF studies confirmed that, even after mech. activation of Al2(SO4)3.xH2O, Al2O(SO4)2 is formed as an intermediate. Isothermal kinetic experiments demonstrated that the thermochem. sulfurization of inactivated Al2(SO4)3.xH2O has an activation energy of 102.2 kJ.mol-1 in the temperature range 850-890 K. The activation energy for activated Al2(SO4)3.xH2O in the range 850-900 K is 55.0 kJ.mol-1. The time of thermal decomposition is almost halved when Al2(SO4)3.xH2O is activated mech. The results permit conclusions concerning the efficiency of the tribochem. activation of Al2(SO4)3.xH2O and the chem. and kinetic mechanisms of the desulfurization process.
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Reference:
Isothiazole – Wikipedia,
Isothiazole – ScienceDirect.com