Electrochemical chlorine flux monitor

Details Electrochemical chlorine flux monitor Electrochemical chlorine flux monitor

1975-09-05

1976-06-29

Kaplan, G. L.

Chemistry: physical processes

Physical processes

Crystallization

23230R, 204195R, 324 30R, G01N 2746, G01N 2752

Patent

active

039664139

ABSTRACT:
This apparatus for monitoring the chlorine concentration of water has a uue internal calibration capability and a high sensitivity. A water sample is mixed with a solution of potassium iodide and the reaction produces a mole of iodine for every mole of chlorine present in the water. The mixture is passed through a detection and calibration assembly wherein the iodine is detected amperometrically by a detection cell. Calibrant (known) iodine fluxes, equivalent in effect to the unknown chlorine-produced iodine fluxes, are supplied to the detection cell during calibration runs by means of an upstream calibration cell which electrolyzes the iodide (preferably added to distilled water) to iodine at flux rates given simply by the electrolyzing currents divided by Faraday's constant. An electronics package having gain and offset controls and a concentration display is provided.

REFERENCES:
patent: 2585811 (1952-02-01), Marks
patent: 3902982 (1975-09-01), Nakagawa

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