Criticality in aqueous solutions of 3-methylpyridine and sodium bromide

被引：73

作者：

Kostko, A.F. ^{[1
,3
]}

Anisimov, M.A. ^{[1
,2
]}

Sengers, J.V. ^{[1
,2
]}

机构：

[1] Inst. for Phys. Sci. and Technology, University of Maryland, College Park, MD 20742, United States

[2] Department of Chemical Engineering, University of Maryland, College Park, MD 20742, United States

[3] Department of Physics, St. Petersburg State Univ. R./F.E., St. Petersburg 191002, Russia

来源：

Physical Review E - Statistical, Nonlinear, and Soft Matter Physics | 2004年 / 70卷 / 2 2期

关键词：

Agglomeration - Concentration (process) - Light scattering - Molecular structure - Osmosis - Salts - Sodium compounds - Solutions - Supramolecular chemistry;

D O I：

10.1103/PhysRevE.70.026118

中图分类号：

学科分类号：

摘要：

The critical nature in ternary electrolyte solutions of water, 3-methylpyridine and sodium bromide was analyzed. Light scattering measurement of the osmotic susceptibility indicated that the range of Ising critical behavior shrank with increasing salt concentration. The mesoscopic nonequilibrium aggregates that were more persistent in aqueous solutions without salt were also observed. The energy landscape in aqueous solutions of 3-methylpyridine was such that states with equilibrium supramolecular structure can exist during time periods longer than the ordinary times for conducting light scattering experiments.

引用

页码：026118 / 1