Binode electro-chemistry hydride generator

Abstract

The double-anode electrochemical hydride generator involves an electrochemical hydride generator that utilizes the new ecological hydrogen generated by electrolysis to form volatile hydrides with measured elements (such as arsenic, selenium, antimony, germanium), and is connected to the detection equipment , to realize the analysis and determination of sample components to form hydride on-line and on-line high-sensitivity detection combined device. It is equipped with a housing, a hydride generating device composed of double anodes, single cathodes and cation exchange resin membranes; the two anode housings have input and output interfaces for anolyte, and the cathode housing has analysis and determination of sample components and cathodes. The three-way input interface of the electrolyte and the output interface connected to the detection equipment; two cation exchange resin membranes are respectively attached to the two sides of the cathode, and the three-way input interface, the cathode, and the output interface connected to the detection equipment are in the same center on-line. It has the advantages of less consumption of reagents and samples, good reproducibility, fast analysis speed, long-term continuous operation, and the reaction efficiency of hydrides of the measured elements is over 99%.

Description

technical field [0001] The present invention relates to an electrochemical hydride generating device which utilizes new ecological hydrogen produced by electrolysis to form volatile hydrides with measured elements (such as arsenic, selenium, antimony, germanium), which is used for the analysis of atomic spectrum (such as atomic fluorescence spectrometer) , Atomic Absorption Spectrometer, Plasma Emission Spectrometer), a combined device that realizes on-line separation of analysis and determination of sample components, on-line hydride generation, and on-line high-sensitivity detection. Background technique [0002] At present, when using the high-sensitivity detection performance of atomic spectroscopy such as atomic fluorescence spectrometer, atomic absorption spectrometer, plasma emission spectrometer and other instruments to detect volatile elements, traditional chemical reducing agents (such as potassium borohydride, etc.) are used to carry out hydride The reaction occur...

AI Technical Summary

Problems solved by technology

[0002] At present, when using the high-sensitivity detection performance of atomic spectroscopy such as atomic fluorescence spectrometer, atomic absorption spectrometer, plasma emission spectrometer and other instruments to detect volatile elements, traditional chemical reducing agents (such as potassium borohydride, etc.) are used to carry out hydride The reaction occurs, and the stability of its chemical reducing agent affects the accuracy of the analysis and determination results and the efficiency of the analysis and determination work

[0003] So far, people have only made some explorations on electrochemical hydride generators with single anode and single cathode, and the efficiency of the hydride reaction is low. In 2007, Russian scholar Smirnov M.K. reported that it was only 60% to 70%.

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