Positronium reactions in the Triton X-100 p-nitro phenol system

被引:3
作者
Das, SK [1 ]
Ganguly, BN [1 ]
机构
[1] SAHA INST NUCL PHYS,CALCUTTA 700064,W BENGAL,INDIA
来源
RADIATION PHYSICS AND CHEMISTRY | 1997年 / 50卷 / 04期
关键词
D O I
10.1016/S0969-806X(97)00047-9
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 positronium reactions have been used as a probe to study the solubilization of p-nitro phenol within the micellar phase of a Triton X-100 solution and the corresponding changes in the molecular association phenomenon. The presence of p-nitro phenol resulted in an enhancement of micellization which has been corroborated by surface tension measurements. This paper also lays emphasis on the secondary aggregation phenomenon of Triton X-100 molecules at the far post-micellar stage (similar to 10-15 mM). The solubilization of p-nitro phenol at various stages of aggregation has been discussed through the interaction with positronium atoms by setting up a kinetic model and reaction equilibria. (C) 1997 Elsevier Science Ltd.
引用
收藏
页码:355 / 361
页数:7
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