Residual chlorine

Residual chlorine refers to the chlorine content remaining after a certain period of time after the chlorine disinfectant is added to the water. An appropriate amount of residual chlorine can effectively kill bacteria, viruses and other microorganisms in the water, ensuring the hygiene and safety of drinking water. However, excessive residual chlorine content can also cause harm to the human body, such as irritation to the eyes, skin and respiratory tract. Therefore, mastering the range of residual chlorine content in water is of great significance to ensure water quality safety.

 

Residual chlorine detection method

Residual chlorine can be detected in many ways. The following are several common detection methods:

Rapid test kit

This is a convenient and efficient rapid detection tool that can quickly determine the range of residual chlorine content in water through simple operation steps. This test kit uses advanced chemical reaction principles to simplify the complex detection process into a few simple steps, allowing you to easily complete water quality testing without professional equipment. Before using the water quality residual chlorine rapid test kit, you need to mix the water sample to be tested in the test kit with the reagent according to the requirements in the instructions. Then wait for a very short time, observe the color change after the reagent reacts with the water sample, and compare it with the standard cliometric card to obtain the range of residual chlorine content in the water.

 


Residual chlorine electrode method

The residual chlorine content is measured by the potential change of the silver chloride electrode.

 

Cliometric method

The residual chlorine reacts with methamphetamine to produce a purple compound, and the light absorbance of the purple compound is measured by calorimeter to calculate the residual chlorine content.

 

Chloride ion selective electrode method

The residual chlorine content is measured by the potential change of the chloride ion selective electrode.

 

Red ox potential method

The residual chlorine content is calculated by measuring the electrode potential change by the reaction of residual chlorine with a reducing agent.

 

Application of residual chlorine in different fields

Residual chlorine analyzers are widely used in the following fields:

Drinking water treatment: In the field of drinking water treatment, residual chlorine is a commonly used disinfectant that can kill bacteria and pathogens to ensure that drinking water meets health and safety standards. Residual chlorine analyzers are used to monitor the residual chlorine content in water quality to ensure the safety of drinking water.

 

Swimming pool water treatment: In the field of swimming pool water treatment, residual chlorine can effectively kill bacteria and viruses in water, and at the same time, the amount of disinfectant added can be adjusted to keep the water clean and hygienic. Residual chlorine analyzers are used to monitor the residual chlorine content in swimming pool water to ensure the health of swimmers.

 

Sewage treatment: In the field of sewage treatment, the residual chlorine analyzer is used to monitor the residual chlorine content in sewage to ensure the disinfection effect during sewage treatment.

 

In summary, residual chlorine plays an important role in water treatment and public health, and its detection and control are crucial to ensure water quality safety.

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