Iodometric determination of peroxydiphosphate in the presence of copper(II) or iron(II) as catalyst |
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| Authors: | Kapoor S Sharma P D Gupta Y K |
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| Institution: | Department of Chemistry, University of Rajasthan, Jaipur, India. |
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| Abstract: | Peroxydiphosphate can be determined iodometrically in the presence of a large excess of potassium iodide with copper(II) or iron(II) as catalyst through the operation of the Cu(II)/Cu(I) or Fe(II)/Fe(III) cycle. The method is applicable in HClO(4), H(2)SO(4), HCl and CH(3)COOH acid media in the range 0.1-1.0M studied. Nickel, manganese(II), cobalt(II), silver, chloride and phosphate are without effect. |
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