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Bulletin of the Korean Chemical Society (BKCS)

ISSN 0253-2964(Print)
ISSN 1229-5949(Online)
Volume 32, Number 10
BKCSDE 32(10)
October 20, 2011

Title	Ionic Equilibria and Ion Exchange of Molybdenum(VI) from Strong Acid Solution
Author	Manseung Lee*, Seongho Sohn, Myungho Lee
Keywords	Molybdenum(VI), Strong acid, Ion exchange, Distribution diagram
Abstract	Ion exchange experiments of molybdenum(VI) from strong HCl and H2SO4 solution have been done to investigate the existence of anionic complexes. The concentration of HCl and H2SO4 was changed from 1 to 9 M. From the data on the complex formation of molybdenum in aqueous solution, a new distribution diagram of Mo(VI) was constructed in the pH range from zero to 10. AG 1 X-8, an anion exchange resin, and Diphonix, a cation exchange resin were used in the loading experiments. Ion exchange results indicate that anionic complexes of Mo(VI) begins to form from 3 M HCl and 1 M H2SO4 solution and the tendency to form anionic complexes is stronger in HCl than in H2SO4 solution. Our results can be utilized in the analysis of Mo(VI) in strong acid solution and in the design of a process to separate Mo(VI).
Page	3687 - 3691
Full Text	PDF

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