Method for quantifying a chemical substance by a substitutional stripping voltammetry technique

摘要

The purpose of the invention is to provide a method for accurately quantifying a chemical substance by a substitutional stripping voltammetry technique. A method is provided for quantifying a chemical substance contained in a sample solution, and the method comprises preparing a measurement system. The measurement system comprises a pair of working electrodes (a first and a second electrodes), a counter electrode, and a gel-coated electrode. This gel-coated electrode comprises an electrode surface, a stripping gel, and a protection gel, and the protection gel covers the stripping gel.