Heavy metal analyzer, coating management method, device and equipment thereof and medium

Abstract

The invention discloses a heavy metal analyzer and a coating management method, device and equipment thereof, and a medium; the method comprises the following steps: obtaining a first volt-ampere dissolution curve of an electrolyte containing a metal ion standard solution, and determining a first peak value of the first volt-ampere dissolution curve; obtaining a second volt-ampere dissolution curve of the mixed solution, and determining a second peak value of the second volt-ampere dissolution curve, wherein the mixed solution is a mixed solution of an electrolyte and a metal ion correction solution, and the solubility of the metal ion correction solution is greater than the concentration of metal ions in the electrolyte; judging whether the ratio of the second peak value to the first peak value is not greater than a preset ratio threshold value; if the ratio is not greater than a preset ratio threshold, determining that the working electrode for heavy metal analysis needs to be coated; and if the ratio is greater than a preset ratio threshold, determining that the working electrode does not need to be coated. According to the coating management method, the working electrode mercury film state can be automatically detected, regular maintenance and detection by maintenance personnel are not needed, and the labor cost is reduced.

Description

technical field [0001] The present application relates to the technical field of water quality detection, in particular to a heavy metal analyzer and its coating management method, device, equipment and computer-readable storage medium. Background technique [0002] With the rapid economic development, environmental pollution is becoming more and more serious. Various heavy metals, such as cadmium, lead, copper, zinc, etc., enter the water body and enter the human body through enrichment, endangering human health. [0003] When detecting heavy metals in water, an online heavy metal analyzer can be used for qualitative and quantitative analysis of heavy metals by anodic stripping voltammetry. In the specific test process, the working electrode needs to be manually polished and polished. After ultrasonic cleaning, the mercury film is pre-plated, and then a negative potential is applied to electrolytically deposit the metal cation to be tested on the electrode to form an amalg...

AI Technical Summary

Problems solved by technology

At present, when judging whether the mercury film of the working electrode needs to be coated, maintenance personnel are required to perform regular inspection and maintenance, and when the technician finds that the test results are seriously scattered, the maintenance personnel should be notified to carry out maintenance. The maintenance of the mercury film of the working electrode is not timely. high cost

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