INHOMOGENEOUS PRECIPITATION PATTERNS IN A CHEMICAL WAVE .7.

被引：30

作者：

HAUSER, MJB ^{[1
]}

SIMOYI, RH ^{[1
]}

机构：

[1] W VIRGINIA UNIV,DEPT CHEM,MORGANTOWN,WV 26506

来源：

PHYSICS LETTERS A | 1994年 / 191卷 / 1-2期

关键词：

D O I：

10.1016/0375-9601(94)90556-8

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

Inhomogeneous BaSO4-precipitation patterns are observed in the travelling wave generated in the bistable chlorite-thiourea-barium chloride reaction system. At the wave-front SO42- is formed and detected as BaSO4 which precipitates inhomogeneously in the region behind the front. These inhomogeneous patterns can be attributed to the formation of dense crystals in the upper solution layer which induce complex three-dimensional convective, and reaction-diffusive motions. The wave propagates with rapid variations in velocity. The inhomogeneous precipitation patterns are annihilated upon a sharp deceleration of the wave.

引用

页码：31 / 38

页数：8

共 30 条

[1] SYSTEMATIC DESIGN OF CHEMICAL OSCILLATORS .25. COMPLEX DYNAMICAL BEHAVIOR IN A NEW CHEMICAL OSCILLATOR - THE CHLORITE THIOUREA REACTION IN A CSTR [J].