chlorine colorimeter Articles

  • High range chlorine testing – what are the options?

    Higher range chlorine solutions are typically used for disinfecting products but standard chlorine meters often cannot measure to higher ranges. For example the Hach Pocket Colorimeter II for chlorine measures to a maximum of 2mg/L, and the ...

    By Camlab Limited

  • What’s the difference between free and total chlorine?

    The element Chlorine exists as a gas Cl2, when this is mixed with water it forms hypochlorous acid (HOCl) which is the disinfecting agent; Cl2 + H2O HCl + HOCl This HOCl can partly disassociate to form the hypochlorite ion ...

    By Camlab Limited

  • Accuracy, precision, usability, and cost of free chlorine residual testing methods

    Chlorine is the most widely used disinfectant worldwide, partially because residual protection is maintained after treatment. This residual is measured using colorimetric test kits varying in accuracy, precision, training required, and cost. Seven commercially available colorimeters, color wheel and test tube comparator kits, pool test kits, and test strips were evaluated for use in ...

    By IWA Publishing

  • Buy Smarter – what questions should you ask when buying a Spectrophotometer?

    Spectrophotometers are relied on by a wide range of laboratories, for tests ranging from specific parameters, like chlorine or metals concentrations, right through to complex analyses of reaction kinetics. When choosing a spectrophotometer the range of specifications and price is vast, so take the time to list the features you need before you buy and make sure you choose the right one. ...

    By Camlab Limited

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