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The scope of application of the residual chlorine detector

by:BOQU     2023-03-31
The residual chlorine detector uses the DPD colorimetric method to detect the concentration of chlorine. Due to the addition of buffer reagents, the sample is adjusted to a certain pH range, DPD will react with residual chlorine or total chlorine in the water sample to form a purple compound, and the residual chlorine detector uses spectrophotometry to measure the change in absorbance to obtain the water sample The middle residual chlorine concentration residual chlorine detector can be widely used in the detection of hypochlorous acid and residual chlorine concentration in the process of water disinfection in food and beverage, medical and sanitation, disease control center, tap water supply, secondary water supply, swimming pool, aquaculture and other industries, thus Control residual chlorine in water. Chlorine meets the required water quality standards. Residual chlorine refers to the effective chlorine remaining in the water after the water has been chlorinated for a certain period of time. The general term for free chlorine and combined chlorine remaining in water after chlorine is added to water for a certain period of time. It means that after chlorine is put into water, in addition to consuming a part of the chlorine through the interaction with bacteria, microorganisms, organic matter, inorganic matter, etc. in the water, there is still a part of the chlorine, which is called residual chlorine. Residual chlorine can be divided into combined residual chlorine, also known as combined residual chlorine; free residual chlorine refers to OC1, HOCl, Cl2, etc. in water, which have fast sterilization speed and strong bactericidal power, but disappear quickly, also known as free residual chlorine; total residual chlorine Chlorine is the sum of combined residual chlorine and free residual chlorine. Features of residual chlorine analyzer: 1. The residual chlorine analyzer adopts DPD colorimetric method, which can detect residual chlorine. 2. The residual chlorine analyzer adopts the built-in curve correction to measure more. 3. The residual chlorine analyzer can be connected with an automatic chlorine addition pump to realize automatic chlorine addition.
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