Acid-alkali generation device without requirement for degassing

A generation device, acid-base technology, applied in the direction of electrolytic organic production, cells, electrolysis process, etc., can solve the problems of high pressure, complicated degassing process, blockage, etc., and achieve the effect of reducing requirements, improving purity, and reducing background value
CN109763136APending Publication Date: 2019-05-17BEIJING LIYUAN INSTR CO LTD
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Patent Information

Authority / Receiving Office
CN ยท China
Patent Type
Applications(China)
Current Assignee / Owner
BEIJING LIYUAN INSTR CO LTD
Publication Date
2019-05-17

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Abstract

The invention discloses a high and low pressure acid-alkali generation device without a requirement for degassing or a requirement for additionally providing a solution driving unit. The device is widely applied in chemical analysis, and particularly provides a very convenient working mode for ion chromatography and potentiometric titration. A principle of the acid-alkali generation device is thattwo cavity bodies are utilized, electrodes and a high-pressure acid-alkali generation cavity are separated by an ion exchange membrane group, H2 and O2 which are generated by electrolysis of two cavities cannot enter the acid or alkali generation cavity body in the high-pressure cavity, so that a high-pressure degassing part is omitted; and through such structure, not only is cost of an instrument reduced, but also a fault rate of the instrument is reduced. The invention discloses three devices formed by a method, i.e., 1, a three-cavity-body double-liquid-storage-tank acid-alkali generationdevice; 2, a three-cavity-body single-liquid-storage-tank acid-alkali generation device; and 3, a five-cavity-body single-liquid-storage-tank acid-alkali simultaneous generation device.
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Description

technical field

[0001] The invention relates to a novel high-pressure or low-pressure acid-base generating device without degassing. This acid-base generating device can be used in various instruments and equipment that need to generate a stable concentration of acid solution or alkali solution online, especially in ion chromatography. It has a very wide range of applications in mobile phase and acid-base potentiometric titration. The invention can generate stable acid solutions or alkaline solutions with different concentrations on-line. When applied to ion chromatography, it can produce high-purity acid solution or high-purity alkali solution of any concentration required in the detection process online as the mobile phase of ion chromatography. Since the purity of the reagent is improved during the electrolysis process, on the one hand it reduces the The background value of the reagent, on the other hand, minimizes the technical requirements for the operator during the mob...

Claims

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