Method and apparatus for electrochemical detection

Details Method and apparatus for electrochemical detection Method and apparatus for electrochemical detection

G - Physics

01

N

G01N 27/00 (2006.01) G01N 27/26 (2006.01)

Patent

CA 2590265

An apparatus for quantitatively determining an analyte in a sample fluid includes a holder for holding an electrochemical cell that includes a catalyst, a waveform generator for generating a potential profile having a voltage bias and an alternating part, a detector for detecting a current signal for a period of measuring time through the electrochemical cell, a memory for storing the current signal, and a processor for correlating the current signals with the concentration of the analyte.

L'invention concerne un appareil servant à déterminer une substance à analyser dans un échantillon de fluide. L'appareil comprend un support qui retient une cellule électrochimique comprenant un catalyseur; un générateur de forme d'onde qui produit un profil de potentiel présentant une tension de polarisation et une pièce alternative; un détecteur qui détecte un signal électrique sur une période de temps de mesure, au travers de la cellule électrochimique; une mémoire qui enregistre le signal électrique; et un processeur qui corrèle les signaux électriques à la concentration de la substance à analyser.

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