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Apparatus for the continuous and precise measurement of the concentration of chlorine dioxide in water dissolved
Apparatus for the continuous and precise measurement of the concentration of chlorine dioxide in water dissolved
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机译:连续精确测量溶解水中二氧化氯浓度的设备
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摘要
A system adapted to continuously and accurately measure the concentration of chlorine dioxide dissolved in liquid, the system including a sensor immersible in the liquid being tested. The sensor is constituted by a noble-metal measuring electrode, an oxidizable-metal counter electrode and an electrolyte which together define an electrochemical cell whose output current depends on the amount of chlorine dioxide passing into the cell through a diffusion membrane permeable to chlorine dioxide but not to the liquid. The chlorine dioxide within the cell is electrochemically reduced at the surface of the measuring electrode to generate a current proportional to its concentration, the counter-electrode being oxidized to complete the cell reaction.
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