Conversion of solid amorphous mixed zirconium-titanium phosphates into crystalline from by molten oxalic acid |
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| Authors: | S K Shakshooki L Szirtes A Azrak M Ahmed S Khalil |
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| Institution: | (1) Basic Scientific Research Center, Chemistry Unit of Research, El-Fateh Universities Campus, Tripoli P. O. Box 13203, Lybian Arab Great Jamahirya /C.S.P.L.A.J/;(2) Institute of Isotopes of the Hungarian, Academy of Sciences, P.O. Box 77, H-1525 Budapest, Hungary |
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| Abstract: | Solid amorphous mixed zirconium-titanium phosphates, with general formula ZrxTi/1–x//HPO4/2.n H2O/ where x=0.1–1, and n=3–5/, are mixed with an excess of solid oxalic acid dihydrate and digested in molten oxalic acid. Then oxalic acid is removed by extraction and the residue washed with dilute /O.OlM/ HCl solution and bidistilled water. As a result of this method, crystalline mixed zirconium-titanium phosphate is formed. |
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