Oxidation of alginate and pectate biopolymers by cerium(IV) in perchloric and sulfuric acid solutions: A comparative kinetic and mechanistic study
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- 作者：Ahmed Fawzya ; b ; afsaad13@yahoo.com" class="auth_mail" title="E-mail the corresponding author
- 关键词：Carbohydrate biopolymers ; Kinetics ; Mechanism ; Oxidation ; Cerium(IV)
- 刊名：Carbohydrate Polymers
- 出版年：2016
- 出版时间：15 March 2016
- 年：2016
- 卷：138
- 期：Complete
- 页码：356-364
- 全文大小：937 K
文摘
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Oxidation of alginate and pectate biopolymers by Ce(IV) in acid solutions was studied.
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Oxidation rates in perchloric acid were higher than those observed in sulfuric acid.
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The main oxidation products were identified as mono-keto derivatives of biopolymers.
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Plausible mechanistic schemes have been proposed and the rate laws were derived.
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The constants associated with the reactions and activation parameters were evaluated.