Abstract
This paper shows a preliminary study of behaviour comparison in NaCl and KCl saline solutions of three screen printed bipolar electrodes with a coating mixture of Poly Methyl Methacrylate (PMMA) and graphite. Results indicate greater selectivity of the coating electrodes with partial ring geometry compared with concentric and spiral bipolar, cover mixture allows eliminating electrolyte electrode interface in low frequencies. The benefits of using this electrode are: optimize sample measurements; low-cost manufacturing; integration feasibility into a mobile device. Upcoming research requires including test with other ionic solutions and new doped graphite composes.
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