The Oxidative Decarboxylation of Nitrilotriacetic Acid (NTA)——A Study of the Reaction of NTA with Cerium(Ⅳ) in HCIO4

Abstract

Abstract: The reaction between Ce (IV) and NTAwas investigated titrimetrically and spectrophotometrically. Two equivalents of Ce(IV) are reduced per mole of NTAalmost instantaneously at room temperature. With increasing reaction time an ultimate of about 7 equivalents of Ce(IV) is consumed per mole of NTAat room temperature. Carbon dioxide, formaldehyde and dimethylamine are the major and readily detectable products of oxidation of NTAby Ce(IV). The rates of the reaction in HClO₄ were measured spectrophotometricaUy using the stopped flow technique. The effects of both acidity of the medium and added salts support and extend preliminary results.

Key words: The oxidative decarboxylation, Reaction mechanism, Nitrilotriacetic acid (NTA), Cerium(IV)

Ye Jingxian, Hanna S. B.. The Oxidative Decarboxylation of Nitrilotriacetic Acid (NTA)——A Study of the Reaction of NTA with Cerium(Ⅳ) in HCIO₄[J]. Chemical Research in Chinese Universities, 1990, 6(2): 118-123.

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The Oxidative Decarboxylation of Nitrilotriacetic Acid (NTA)——A Study of the Reaction of NTA with Cerium(Ⅳ) in HCIO₄

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