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Product InformationDark orange precipitates, legislation, world population, industrial waste...they’re all covered in this kit that lets students test for the presence of common water contaminants and then consider sources and solutions to the problem. Employing the same methods used in many professional testing labs, students perform nine separate tests and then analyze their results. Includes materials for 7 student groups: ammonium hydroxide, ammonium thiocyanate (crystal), ascorbic acid, ammonia molybdate, barium chloride, cadmium powder, chromotropic acid, EDTA (disodium), eriochrome black T, Nessler reagent, O-tolidine, potassium dichromate, potassium hydroxide, silver nitrate, sulfanilic acid, universal indicator, scoopulas, wax pencils, plastic collection vials with lids, microfuge tubes, microfuge trays, dropper pipets, and complete Instructions, including teacher’s guide with answers, references and MSD sheets, and a reproducible student guide with glossary, background information, step-by-step procedures, worksheets and study questions. (Please note: water samples are required but not included.)  Tell a Friend about this item
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