Direct observation of intermediates in the reaction of peroxynitrite with carbon dioxide

被引：0

作者：

Meli, R ^{[1
]}

Nauser, T ^{[1
]}

Koppenol, WH ^{[1
]}

机构：

[1] ETH Zurich, Anorgan Chem Lab, CH-8092 Zurich, Switzerland

来源：

HELVETICA CHIMICA ACTA | 1999年 / 82卷 / 05期

关键词：

D O I：

10.1002/(SICI)1522-2675(19990505)82:5<722::AID-HLCA722>3.0.CO;2-#

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

Peroxynitrite (ONOO-, oxoperoxonitrate(1-)) reacts with carbon dioxide to form an adduct that absorbs with a maximum at 640 nm and an extinction coefficient of cu. 2 x 10(7) M-1 cm(-1). Within 0.1 s at 4 degrees this absorption decreases while the maximum is shifted to lower wavelengths, which indicates that trioxocarbonate (1-) radicals (CO3.) are formed. This interpretation is supported by the observation of a weak ESR signal at g = 2.013.

引用

页码：722 / 725

页数：4

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