residual chlorine
Leftover water purifier
Residual chlorine is the chlorine remaining in water after treatment, available to continue disinfecting.
Water utilities maintain a residual to kill bacteria throughout distribution systems.
The test showed adequate residual chlorine at the tap.
Free residual chlorine is more reactive than combined residual chlorine, which has bonded with ammonia or organic compounds.
- hypochlorous acidChlorine-based weak acid
- disinfectionEliminating pathogens from surfaces
- chlorinationDisinfecting with a halogen
- pool shockIntensive water sanitizing treatment
- spectrophotometryMeasuring light wavelength absorption
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- Water Qualityclean water, pH, drinking water, safe water, turbidity
- chlorinationdechlorination
- Water Treatmentwater plant, filtration, filtration system, chlorination, purification