The reaction rate of a catalyzed reaction is faster than the reaction rate of the uncatalyzed reaction at the same temperature. Product Details of 108-82-7, 108-82-7, Name is 2,6-Dimethylheptan-4-ol, SMILES is CC(C)CC(O)CC(C)C, in an article , author is Bocian, Piotr, once mentioned of 108-82-7.
Electrochemical impedance spectroscopy studies of gasoline oxidative stability – Attempt to devise new gasolines chemical stability index
Fuels stored in storage tanks undergo aging processes. In particular, this applies to fuels containing biocomponents. The ability to quickly assess changes taking place in fuel is more and more critical due to the growing resources of fuels stored for a long time. Moreover, it is essential for maintaining the fuel quality. The purpose of this work was to develop a method enabling determination of the stability of gasolines containing biocomponents and allowing for early warning of quality deterioration. For that, the electrochemical impedance spectroscopy (EIS) was tested as it allows for fast, easy, and continuous determination of the gasoline quality. For that, the gasoline electrical parameters were determined by the EIS before and during aging. Then those results were compared with such physico-chemical parameters that change the most quickly during aging. It has been found that selected electrical parameters derived from the impedance spectra, namely, resistance, capacitance, relaxation time, and impedance values at a given frequency decrease with the aging time linearly or exponentially. The changes of those parameters indicate the formation of polar and/or ionic products and decrease of the fuel viscosity, increasing its conductivity. Furthermore, spectral studies of the samples indicate the formation of unsaturated and aromatic hydrocarbons, as well as -OH and C=O group-containing species. These observations are corroborating well with conclusions derived from the EIS studies. Notably, the obtained results indicate the correlation between electrical parameters and critical physicochemical properties of the fuel, thus suggesting possibility of applying the electrical parameters for gasoline quality assessment.
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Reference:
Alcohol – Wikipedia,
,Alcohols – Chemistry LibreTexts