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
收藏
页码：722 / 725
页数：4
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