What is the water electrolyzer for?

The water quality electrolyzer, also known as the solid precipitation accelerator, is a simple water quality detection method approved by the U.S. Food and Drug Administration (F.D.A), which is used for the basic judgment of water quality. Because different water quality has different colors and is easy to carry, it is widely used in many countries. Water electrolyzer

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1. Prepare water for inspection-Take two transparent glasses with the capacity of 100 ~ 150ml, one filled with ordinary water (well water or tap water) and the other filled with mineral water or deeply purified water (such as purified water or distilled water) and put them on the table. 2. Prepare for inspection-put both ends of the electrolyzer into two glasses respectively, and plug in 220v power supply. Water electrolyzer

3. InspectiON —— Press the power switch button on the electrolytic cell to the ON position to start the inspection. Usually the inspection time is 30 seconds. Finally, first press the power switch to the off position, and finally take out the electrolyzer.

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Don't pinch your hand on the electrode after turning on the power supply; Do not put your finger in the test water; Don't let children play with electrolyzers. After the electrolyzer is used, dry the electrode with a dry cloth, and wipe off the water on the iron electrode with fine gauze, and keep it properly. Water electrolyzer

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The water quality electrolyzer puts an electric field into the water, which consists of positive and negative electrodes (iron bars and aluminum bars). After being electrified, the iron rod releases positive ions, which react with negative electrolyte ions in water to generate water-insoluble metal clusters, and colloids, organic substances and inorganic substances in water are condensed and adsorbed. Moreover, due to the action of current, metal particles, such as lead, arsenic, chromium, manganese, potassium, cobalt and so on. The metal initially dissolved in water is reduced and gradually aggregated into metal clusters. Because different metal ions have different colors, color separation will occur. At present, the known colors are as follows, for reference only: green: arsenic (arsenic), chloroform, carbon tetrachloride, copper oxide, iron blue: bacteria, viruses, organophosphorus (fertilizers, detergents, pesticides), aluminum sulfate red: monovalent mercury, trivalent iron white: lead, zinc, mercury, asbestos, calcium and magnesium black.

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Water electrolyzer is the most commonly used, portable and important testing tool for water quality inspectors. After the raw water is electrolyzed, the impurities in the water can be preliminarily judged. However, it is known that there are more than 2200 kinds of dissolved substances in water, and it is impossible to show the names and contents of various impurities in detail only by seven colors (red, orange, yellow, green, blue and purple).

Edit this paragraph to measure the standard of water quality.

1, without any harmful odor substances (especially heavy metals and organic substances); 2. The hardness of water is moderate, generally between 50 and 200 mg/L (calculated by calcium carbonate); 3. The 3.PH value is (6.0-8.5); 4. The contents and proportions of trace elements and minerals in water are moderate, which are similar to normal liquid; 5. The content of dissolved oxygen and carbon dioxide in water is moderate (dissolved oxygen in water ≥ 6-7 mg/L). 6. Water has strong nutritional and physiological functions (including solubility, permeability, diffusion, metabolism, emulsification, cleaning, etc.). The correct treatment of water quality electrolyzer is used to compare the differences of various water qualities-pure water, mineral water and ordinary water. It is not the final instrument for water quality detection.