Convenience of online residual chlorine meter test

The online residual chlorine meter is simply an instrument for quickly detecting residual chlorine. The instrument is equivalent to a small spectrophotometer. After the water sample is reacted with a special reagent, the residual chlorine/total chlorine value is calculated by the spectrophotometric method. . The online residual chlorine meter is widely used to test the specific gravity of rubber, plastic (particles or finished products), metal, powder metallurgy, glass and other solids, jelly, paste and other semi-solids, powders and various liquids ( Density of aqueous solutions, oils, flavors and fragrances, coatings, etc.). The feature of the online residual chlorine meter is that the reagents needed for the detection process are designed into a special reagent package, and the instrument itself also contains a standard curve. Users do not need professional knowledge to prepare reagents and curves, and can accurately detect within a few minutes. The content of residual chlorine can be very convenient for enterprises to quickly monitor the content of residual chlorine in water. DPD reacts rapidly with residual chlorine in water to produce red color. Under the catalysis of iodide, monochloramine can also react with DPD to develop color. When adding iodide before adding DPD reagent, a part of trichloramine will develop color together with free residual chlorine, and trichloramine can be measured by changing the order of reagent addition. Amine concentration. Residual chlorine refers to the effective chlorine remaining in the water after the water has been chlorinated and disinfected for a certain period of time. Chlorine is added to water, and after a certain period of contact, the general term for free chlorine and combined chlorine remaining in water. It means that after chlorine is put into water, in addition to consuming a part of the chlorine with bacteria, microorganisms, organic substances, inorganic substances, etc. in the water, there is still a part of the chlorine left, which is called residual chlorine. Ordinary density balances, the liquid used to test the density of solids and the samples used to test the density of liquids are placed on the weighing pan of the electronic balance. If the liquid is overturned, it will flow into the sensor under the weighing pan, and it will be repaired at least, or scrapped if it is serious. And our automatic electronic density meter is specially designed for measuring density. The sensor is placed on the top of the weighing pan, even if all the liquid is overturned, it will not have any effect on the sensor. In addition, the operation space is large, and the test is very convenient.
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