Free chlorine definition

Free chlorine means the concentration of hypochlorous acid and hypochlorite ion in the swimming pool water as measured with a DPD (diethyl-p-phenylene diamine) test kit or as measured by another method approved by the department.
Free chlorine means the residual chlorine existing in water as the sum of hypochlorous acid and hypochlorite ion.
Free chlorine means that portion of the total chlorine remaining in chlorinated water that is not combined with ammonia, nitrogen compounds, or other compounds and will react chemically with undesirable or pathogenic organisms.

Examples of Free chlorine in a sentence

  • Free chlorine residuals may be measured continuously by adapting a specified chlorine residual method for use with a continuous monitoring instrument, provided the chemistry, accuracy, and precision remain the same.

  • Disinfection – Free chlorine residual shall be 1 milligram per liter (mg/L) to 10 mg/L, inclusive, in conventional swimming pools and 2 mg/L to 10 mg/L, inclusive, in all other type pools such as spa-type pools and interactive water fountains; bromine residual shall be 1.5 mg/L to 10 mg/L, inclusive, in conventional swimming pools and 3 mg/L to 10 mg/L, inclusive, in all other type pools.

  • Free chlorine levels should be maintained per the Water Chemistry Guide.A defoamer may be used when excessive foaming occurs.

  • Example: Free chlorine with the purchase of a Covered Product, or one price for bundle of products, including a Covered Product.

  • Free chlorine loss during spray of membrane-less acidic electrolyzed water and its antimicrobial effect on airborne bacteria from poultry house.

  • Free chlorine is directly toxic to aquatic organisms and can react with naturally occurring organic compounds in receiving waters to form toxic compounds such as trihalomethane.

  • Free chlorine residual in drinking water is important in providing lasting protection in water distribution systems.

  • Free chlorine, combined chlorine, bromine, and pH values shall be continuously maintained within the ranges specified in N.J.A.C. 8:26 Appendix C.

  • Free chlorine, combined chlorine, bromine, and pH values shall be continuously maintained within the ranges specified in N.J.A.C. 8:26 Appendix D.

  • Free chlorine residual, combined chlorine, and pH must be measured and recorded concurrent with sample collection.


More Definitions of Free chlorine

Free chlorine means the portion of total chlorine that is not combined chlorine and
Free chlorine means the concentration of hypochlorous acid and hypochlorite ion in the swim- ming pool water.
Free chlorine means chlorine, excluding combined chlorine, that remains in water after disinfection has occurred.
Free chlorine means the concentration of hypochlorous acid and hypochlorite ion in the swimming pool water.
Free chlorine means the portion of total chlorine that is not combined chlorine and that is available as HOCl and OCl-. This is the portion of total chlorine that reacts with DPD chlorine test.
Free chlorine means the amount of chlorine available as dissolved gas, hypochlorous acid, or hypochlorite ion that is not combined with an amine or other organic compound;

Related to Free chlorine

  • Radioactive substance means a substance that emits ionizing

  • Flammable means a chemical that falls into one of the following categories:

  • Radioactive waste means any waste which contains radioactive material in concentrations which exceed those listed in 10 CFR Part 20, Appendix B, Table II, Column 2.

  • Radioactive material means any solid, liquid, or gas which emits radiation spontaneously.