The Oxidative Decarboxylation Of Polyaminocarboxylic Acidm-VI¹ 1 Part V-See Reference 16. Reaction Of Diethylenetriaminepenta-acetic Acid With Cerium(IV) In Sulphuric Acid Media

Abstract

The oxidation of diethylenetrianunepenta-acetic acid (DTPA) by Ce(IV) in sulphuric add was investigated spectrophotometrically by the stopped-flow technique. The rate of reaction is influenced by the acidity, but can be expressed by a simplified rate law {A figure is presented} At [H2SO4] below 0.75M the reaction proceeds stepwise as shown by formation of a 1:1 Ce(IV)-DTPA complex with measurable rate of formation and decay. At higher acid strengths, the formation of an intermediate is not evident. The rate is maximal in ~ 0.75M sulphuric add. The overall stoichiometry varies with time. © 1972.

Department(s)

Chemistry

International Standard Serial Number (ISSN)

0039-9140

Document Type

Article - Journal

Document Version

Citation

File Type

text

Language(s)

English

Rights

© 2023 Elsevier, All rights reserved.

Publication Date

01 Jan 1972

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