Why do water quality analysis instruments play a crucial role in municipal construction scenarios?The construction of public facilities such as urban sewage treatment plants and drinking water plants aims to ensure water safety and quality of life for city residents. The application of water quality

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Dissolved oxygen is a measure of the amount of gaseous oxygen contained in water. Healthy waters that can support life must contain dissolved oxygen (DO). Dissolved Oxygen enters water by: direct absorption from the atmosphere. rapid movement from winds, waves, currents or mechanical aeration.

Dissolved oxygen is an important indicator that reflects the self-purification ability of water. In the past 50 years, the current method and polarography method have been used to measure dissolved oxygen. This has played a very important role in the monitoring of dissolved oxygen in municipal and i