Wang Xuan
Abstract
A new method for determination of Copper is studied. Copper(Ⅱ)can catalyze the decolorizing oxidation of rhodamine B by hydrogen peroxide in weak acid medium. The linear range of determination of Cu(Ⅱ)is 0.05～3.5 μg/25 mL Cu(Ⅱ). The method has been used to determine trace Cu in human hair and water.
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A new method for determination of Copper is studied. Copper(Ⅱ)can catalyze the decolorizing oxidation of rhodamine B by hydrogen peroxide in weak acid medium. The linear range of determination of Cu(Ⅱ)is 0.05～3.5 μg/25 mL Cu(Ⅱ). The method has been used to determine trace Cu in human hair and water.
Key concepts: Copper, Hydrogen peroxide, Catalysis, Chemistry, Rhodamine B, Kinetic energy, TRACE (psycholinguistics), Inorganic chemistry