ELECTRODE PLATE FOR ELECTROCHEMICAL MEASUREMENTS, APPARATUS FOR ELECTROCHEMICAL MEASUREMENTS HAVING THE ELECTRODE PLATE FOR ELECTROCHEMICAL MEASUREMENTS, AND METHOD OF THE QUANTITATIVE DETERMINATION OF A TARGET SUBSTANCE USING THE ELECTRODE PLATE FOR ELECTROCHEMICAL MEASUREMENTS

摘要

An electrode plate for electrochemical measurements capable of measuring the concentration of a target substance included in a sample solution with favorable accuracy and high sensitivity is provided;The electrode plate for electrochemical measurements 1 of the present invention includes a substrate 31, an upper layer 40 provided on the superior face of the substrate, a lower layer 11 provided on the inferior face of the substrate, a first electrode body 32 sandwiched between the superior face of the substrate and the upper layer, and a second electrode body 12 sandwiched between the inferior face of the substrate and the lower layer, wherein: the upper layer has a plurality of upper layer through-holes 41; the first electrode body has a plurality of first electrodes 32d including a portion exposed from the superior face of the upper layer via the upper layer through-hole in the first electrode body; the substrate has a plurality of substrate through-holes 33; and the second electrode body has a plurality of second electrodes including a portion exposed from the superior face of the upper layer via the upper layer through-hole and the substrate through-hole in the second electrode body 12d in the second electrode body.