Household Residual Chlorine Testing: Why Is It Important?Chlorine is added to tap water for disinfection at water plants, and the remaining "residual chlorine" can continuously inhibit bacterial growth in pipelines. However, abnormal residu···

As the "last mile" before tap water reaches households, secondary water supply undertakes the important functions of water storage and pressure boosting. Residual chlorine acts as an "invisible guardian" for water quality safety in this pro···

Water is the source of life. Every aspect of human life and production is inseparable from water, and the quality of drinking water directly affects human health — long-term consumption of poor-quality water may induce gastrointestinal dis···

​As a vital component of global freshwater resources, groundwater serves as a critical guarantee for agricultural irrigation, industrial production, and urban-rural water supply. However, with the accelerated pace of industrialization and ···

As a key artificially added regulatory indicator in tap water quality standards, residual chlorine has always occupied a core position of "needing to exist and requiring quantity control" — insufficient content will lead to loss of bacteri···

Chlorine (Cl₂) is a yellowish-green gas with a pungent odor, and it is also suffocating and highly corrosive. At 1 atmospheric pressure, chlorine liquefies into a yellowish-green transparent liquid when the temperature drops to -34.5℃, wh···