Integrated device with integration of ion chromatography electrochemical inhibitor and resistance detection pool

Abstract

The invention discloses an integrated device with the integration of an ion chromatography electrochemical inhibitor and a resistance detection pool, relating to an electrochemical inhibition and resistance detection pool. The integrated device with the integration of the ion chromatography electrochemical inhibitor and the resistance detection pool integrates the electrochemical inhibitor and a potential different detection pool and has higher detection sensitivity and higher accuracy. The integrated device with the integration of the ion chromatography electrochemical inhibitor and the resistance detection pool comprises a first cathode chamber, a second cathode chamber, a public anode chamber, an inhibition chamber and a detection chamber, wherein a first cathode is arranged in the first cathode chamber, a second cathode is arranged in the second cathode chamber, a public anode is arranged in the public anode chamber, cation exchange materials are filled in the inhibition chamber, a pair of detection electrodes are arranged in the detection chamber, a flowing solution circulation channel is arranged between the inhibition chamber and the detection chamber, an ion exchange film is respectively arranged between the first cathode chamber and the inhibition chamber, the second cathode chamber and the detection chamber, the public anode chamber and the inhibition chamber as wellas the public anode chamber and the detection chamber, the public anode and the first cathode are externally connected with a first constant current source, and the public anode and the second cathode are externally connected with a second constant current source.

Description

technical field [0001] The invention relates to an electrochemical suppression and resistance detection component, in particular to an integrated device integrating an ion chromatography electrochemical suppressor and a resistance detection cell. Background technique [0002] In order to realize the self-regeneration of the ion chromatography electrochemical suppressor, US Pat. No. 5,352,360 discloses an electrochemical self-regenerating ion chromatography suppressor (SRS), which realizes self-regeneration by electrolyzing water to generate regenerated ions without chemical reagents such as acid and alkali. [0003] The applicant disclosed in Chinese patent CN 02131711.9 an electrochemical ion chromatography suppressor with integrated electrode and electrolyte chambers, which adopts a two-electrode-one-chamber sandwich structure and a porous and corrosion-resistant electrolytic electrode. Due to the porosity of the electrode, it provides a space for the electrolyte to flow, ...

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Problems solved by technology

[0008] The purpose of the present invention is to have only inhibition function for existing ion chromatography electrochemical suppressor, and existing potential difference detection cell only has detection function, and electrochemical suppressor and potential difference detection cell are two separate parts, need external pipeline connection, The structure of the whole machine is complicated, and the existing integrated device of the electrochemical suppressor and the potential difference detection cell has disadvantages such as low sensitivity, interference by electrolytic products, poor stability and accuracy, etc., providing a combination of electrochemical suppressor and potential difference detection An integrated device integrating an ion chromatography electrochemical suppressor and a resistance detection cell with high detection sensitivity and accuracy

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