Amperometric dual-electrode sensors
First Claim
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1. An amperometric two-electrode sensor, comprising an operating electrode and a combination reference and counter electrode, wherein the counter electrode is a passivable metal electrode and the sensor is devoid of an internal electrolyte and secondary electrode.
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Abstract
An amperometric dual-electrode sensor having an operating electrode inside a passivable metal electrode used as the counter electrode is provided by the invention. A method for measuring the concentration of a compound or ions in a sample is also provided by this invention. In particular, a method of measuring hydrogen peroxide in a sample is described.
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17 Claims
- 1. An amperometric two-electrode sensor, comprising an operating electrode and a combination reference and counter electrode, wherein the counter electrode is a passivable metal electrode and the sensor is devoid of an internal electrolyte and secondary electrode.
Specification