Chemistry Reference
In-Depth Information
4
Diffusion of Electrolytes
and Non-electrolytes
in Aqueous Solutions:
A Useful Strategy for
Structural Interpretation of
Chemical Systems
Ana C. F. Ribeiro, Joaquim J. S. Natividade,
Artur J. M. Valente, and Victor M. M. Lobo
CONTENTS
4.1 Introduction ....................................................................................................... 35
4.1.1 Concepts of Diffusion in Solutions ......................................................... 36
4.2 Experimental Techniques: Conductimetric and Taylor Dispersion
Techniques ......................................................................................................... 38
4.3 Some Experimental Discussion and Results ..................................................... 41
4.4 Conclusion ......................................................................................................... 46
Keywords ................................................................................................................... 46
References .................................................................................................................. 46
4.1 INTRODUCTION
In the last years, the diffusion Coimbra group, headed by Prof. Lobo, has been par-
ticularly dedicated to the study of mutual diffusion behavior of binary, ternary, and
quaternary solutions [1-19], involving electrolytes and non-electrolytes, helping to go
deeply in the understanding of their structure, aiming at practical applications in fields
as diverse as corrosion studies occurring in biological systems or therapeutic uses. In
fact, the scarcity of diffusion coefficients data in the scientific literature, due to the
difficulty of their accurate experimental measurement and impracticability of their
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