Its common knowledge that our enviorment is under threat and thus
water quality monitoring is becoming more and more of a necessity in many industries. For a single source of water qualtity monitoring instruments Rshydro is hard to beat as it provides sales, service. calibration and maintenance of all kinds of instrumentation.
Free Chlorine
Description of the term: Free Chlorine
Free chlorine is defined as the concentration of residual chlorine in water present as dissolved gas (Cl2), hypochlorous acid (HOCl), and/or hypochlorite ion (OCl-). The three forms of free chlorine exist together in equilibrium.
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