Development of a standardized analytical protocol for determination of chlorite concentration using thiourea dioxide

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Acccurate and robust analysis of oxychlorine compounds in water is essential to the effective deployment ofchlorine-based water treatment. The current standard methods are inadequate for the discrimination ofmolecular species such as chlorine dioxide (ClO2) from ionic compounds such as chlorite (ClO2-) and chlorate(ClO3-). The development of a simple method with reasonable error, accuracy for field use, and reliability inlaboratory settings has the potential to greatly enhance quality control. The proposed Engage Plus project willbuild on the previously funded Engage collaboration between inorganic chemists at the University of Manitobaand the water-purification experts at Osorno Enterprises, Inc., a Winnipeg-based bio-environmental companyand industry leader in water quality and disinfection, specializing in tailored solutions for small communities,hospitals and industry. The proposed project will expand on results from the Engage collaboration tostandardize a new method for chlorite determination in water using commercially available, easy-to-handlereagents. A successful project outcome would benefit Osorno by developing a standard methodology forquality control in oxychlorine production.