Oxidation of antipyrine by chlorine dioxide: Reaction kinetics and degradation pathway

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• 作者：Xing-Hua Jia ; Li Feng ; Yong-Ze Liu ; Li-Qiu Zhang ; ^{zhangliqiu@163.com}
• 关键词：Antipyrine ; Chlorine dioxide ; Reaction kinetics ; Degradation pathway
• 刊名：Chemical Engineering Journal
• 出版年：2017
• 出版时间：1 February 2017
• 年：2017
• 卷：309
• 期：Complete
• 页码：646-654
• 全文大小：1075 K
• 卷排序：309

文摘

Antipyrine can be slowly but completely oxidized by chlorine dioxide. The degradation process followed second-order reaction kinetics. Higher pH (pH < 9) was slightly in favor of the degradation process. ANT-Cl was the major intermediate products of ANT oxidation by ClO2. Single-electron-transfer reaction, substitution, and de-carbonyl reaction were the main degradation pathways.