Studies on the Radiolysis of Ethanol in γ-Irradiated Acrylic Acid-Ethanol System

Abstract

Abstract: The G-values of main radiolytic products of ethanoi in the γ-irradiated acrylic acid-ethanol system were measured under lower absorbed dose.The results reveal that acetaldehyde mainly comes from the primary processes of the radiolysis of ethanoi but not from the dispropor-ticnation reaction of CH₃CHOH;2,3-butanediol can be formed by recombinationn of CH₃CHOHand its kinetic equation can be described as the following formula:G=G₀—[k₁₁/2(k₁₀)^1/2](G/K'D)^1/2[AAH] k₁₁(1.8×10⁵ mol^-1·s^-1) can be obtained.Acrylic acid can scavenge Hand CH₃CHOH in the system,which leads to the decrease of G_H₂ and G_{(CH₃CHOH)₂} Using competation reaction kinetics,we can get k₄/k₂=4.4×10²

Key words: Ethanol, Acrylic acid, γ-Radiolysis

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WEI Gen-Shuan, WU Ji-Lan, LU Xiao-Hong, HA Hong-Fei, ZHOU Yu-Rong . Studies on the Radiolysis of Ethanol in γ-Irradiated Acrylic Acid-Ethanol System[J]. Chem. J. Chinese Universities, 1992, 13(8): 1109.

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Studies on the Radiolysis of Ethanol in γ-Irradiated Acrylic Acid-Ethanol System

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