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        Home » Chromium

        Chromium

         

        Chromium

        Chromium salts are widely used in industrial processes such as metal finishing and plating, as well as in the leather industry as a tanning agent, and in the manufacture of paints, dyes, explosives, and ceramics. Chromium may enter a water supply through the discharge of waste from these industries or from chromate-treated cooling waters, where it is frequently added for corrosion control. The hexavalent state of chromium, CrVI, is toxic to humans, animals, and aquatic life; it can produce lung tumors when inhaled and readily induces skin sensitization.

        Hexavalent chromium in a sample can be measured using the diphenylcarbohydrazide method. 1,5-Diphenylcarbohydrazide is added to a sample under acidic conditions, which then reacts to give a purple color when hexavalent chromium is present. The color of the sample is proportional to the hexavalent chromium concentration in the sample.

        Hanna Instruments offers a variety of technologies to measure chromium including spectrophotometers, photometers, colorimeters and Chemical Test kits (CTK).

         

        Chromium

        Chromium salts are widely used in industrial processes such as metal finishing and plating, as well as in the leather industry as a tanning agent, and in the manufacture of paints, dyes, explosives, and ceramics. Chromium may enter a water supply through the discharge of waste from these industries or from chromate-treated cooling waters, where it is frequently added for corrosion control. The hexavalent state of chromium, CrVI, is toxic to humans, animals, and aquatic life; it can produce lung tumors when inhaled and readily induces skin sensitization.

        Hexavalent chromium in a sample can be measured using the diphenylcarbohydrazide method. 1,5-Diphenylcarbohydrazide is added to a sample under acidic conditions, which then reacts to give a purple color when hexavalent chromium is present. The color of the sample is proportional to the hexavalent chromium concentration in the sample.

        Hanna Instruments offers a variety of technologies to measure chromium including spectrophotometers, photometers, colorimeters and Chemical Test kits (CTK).

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