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  • Title: Synthesis, characterization and analytical application of a new inorganic cation exchanger-Titanium(IV) molybdophosphate.
    Author: Yavari R, Ahmadi SJ, Huang YD, Khanchi AR, Bagheri G, He JM.
    Journal: Talanta; 2009 Jan 15; 77(3):1179-84. PubMed ID: 19064109.
    Abstract:
    A novel polyoxometalate-cation exchanger, titanium(IV) molybdophosphate (TMP) has been synthesized under varying conditions. The material was characterized by X-ray diffraction, infrared spectroscopy, inductively coupled plasma and thermogravimetry techniques. Its stability was investigated in water, dilute acids, alkaline solutions, and high temperature up to 750 degrees C. Ion-exchange capacity and distribution coefficients (K(d)) for twenty-nine radionuclides and metal ions have been determined. It was found that the TMP has high affinity for Cs(+), Sr(2+), UO(2)(2+), Ba(2+), Pb(2+), Tl(+), Zn(2+), Rb(2+) and Zr(4+) ions. The results of binary separation of metal ions showed that TMP can be potentially useful for analytical applications.
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