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Free chlorine reacts with ammonium ions and organic compounds to form chlorine compounds resulting in diminished disinfecting capabilities compared with free chlorine. These chlorine compounds together with chloramines form combined chlorine. Combined chlorine and excess free chlorine together result in total chlorine. While free chlorine has a much higher disinfectant potential. combined chlorine has a much higher stability and has a lesser volatility. There should be sufficient levels of unreacted free chlorine for adequate disinfection. but not so much as to become harmful.
Order Information:HI 38018 test kit comes with HI 93701-0 free chlorine reagent (200 packets). demineralizer bottle with cap for 12 L. checker disc. glass vials with caps (2) and 3 mL plastic pipettes.
Click on the links below to download the Safety Data Sheet.
Chlorine. free. DPD Method (300 Tests)
This product is available upon request. Contact us for more information.
61 Hugo Johnston Dr,
Ph: 0508 422 676
Acorn Scientific is a privately owned NZ business who have been supplying products to the NZ laboratory market since 1997.