The present invention provides a rapid coulometric analysis for the quantitative determination of a sample substance wherein the coulometric analysis has high reproducibility without any application of voltage, etc., from an outside source, as well as a galvanic cell and a device for use in said...http://www.google.fr/patents/US5726565?utm_source=gb-gplus-shareBrevet US5726565 - Coulometric analysis method and a device therefor
