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- W1980743077 abstract "Abstract Autoxidation of β‐carotene was studied experimentally using n ‐decane as a solvent under various reaction conditions of temperature and dissolved oxygen concentration A novel kinetic model was proposed on the basis of an autocatalytic free‐radical chain reaction mechanism. A secondary initiation reaction by decomposition of hydroperoxide and reactions concerned with a β‐carotene‐derived C‐centered radical in propagation and termination processes were taken into consideration in the model. There were four unknown kinetic constants, and the constants were estimated by fitting the model with the experimental data. The fitted results are in good agreement with the experimental data in all stages of the kinetics of autoxidation and over a wide range of oxygen concentrations. The model described not only the appearance of the induction stage but also the effect of the oxygen concentration on the autoxidation rate. In addition, the model predicted the behavior of autoxidation in another solvent at low temperature that had been reported by other researchers." @default.
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- W1980743077 date "1999-08-01" @default.
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- W1980743077 title "Kinetic model for autoxidation of β-carotene in organic solutions" @default.
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- W1980743077 doi "https://doi.org/10.1007/s11746-999-0104-5" @default.
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