SUSTAINED AND DAMPED OSCILLATIONS IN THE PERMANGANATE HYDROXYLAMINE REACTION IN A CONTINUOUS-FLOW STIRRED TANK REACTOR

被引：16
|
作者：
NAGY, A [1 ]
OLEXOVA, A [1 ]
TREINDL, L [1 ]
机构：
[1] COMENIUS UNIV, DEPT PHYS CHEM, CS-84215 BRATISLAVA, CZECHOSLOVAKIA
来源：
JOURNAL OF PHYSICAL CHEMISTRY | 1991年 / 95卷 / 15期
关键词：
D O I：
10.1021/j100168a019
中图分类号：
O64 [物理化学（理论化学）、化学物理学];
学科分类号：
070304 ; 081704 ;
摘要：
The reaction system MnO4(-)-NH2OH-H3PO4 in a CSTR exhibits sustained and damped oscillations, if MnO4-ions are at a stoichiometric ratio or in an excess. The design of this permanganate chemical oscillator is based on the phase diagrams in the [NH2OH]0-k0 and [H3PO4]0-k0 planes. An interaction of solvated Mn(IV)sol ions, which are in equilibrium with (MnO2)col stabilized by the presence of H2PO4-ions, with manganese species mostly in higher oxidation states seems to be the core of our permanganate oscillator with hydroxylamine.
引用
收藏
页码：5809 / 5810
页数：2
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