IONIC-STRENGTH EFFECT ON MAGNETIC FLUIDS - A RESONANCE STUDY

被引：19

作者：

MORAIS, PC

TOURINHO, FA

GONCALVES, GRR

TRONCONI, AL

机构：

[1] UNIV BRASILIA, DEPT QUIM, BR-70910 BRASILIA, DF, BRAZIL

[2] UNIV GOIAS, DEPT FIS, BR-74560 GOIANIA, BRAZIL

来源：

JOURNAL OF MAGNETISM AND MAGNETIC MATERIALS | 1995年 / 149卷 / 1-2期

关键词：

D O I：

10.1016/0304-8853(95)00320-7

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

Magnetic resonance data showing the ionic strength effect in ionic water-based magnetic fluids is reported for the first time. Changes in the effective radii of the suspended particles is considered as the main source for magnetic resonance changes. The effective radius is analyzed as a function of the ionic strength taking into account the electrostatic screening effect. A simple particle charge-discharge mechanism due to changes in ionic strength of the solution is proposed.

引用

页码：19 / 21

页数：3

共 8 条

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