Development of Visual Analytical Methods for Trace Determination

KANEKO Emiko

doi:10.2116/analsci.20.247

Development of Visual Analytical Methods for Trace Determination

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KANEKO Emiko

Department of Materials Science, Faculty of Engineering, Tohoku University

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In this paper our recent progress in the field of simple analytical methods is reviewed, with particular focus on the development of rapid, inexpensive, yet sensitive techniques to visualize trace elements of medical, industrial, and environmental importance. Our objective is to solve long-standing practical problems in these fields. We have repeatedly shown that visual perception is remarkably sensitive when used with our new techniques. The applicability of the proposed methods to real samples is also discussed. Making measurements visually is a method free from machinery malfunctions and serves as a simple and sensitive analytical technique, avoiding all of the practical disadvantages associated with sophisticated instrumentation as well as tedious procedures.