Synthesis of sodium dizirconium triphosphate from α-zirconium phosphate
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Heating sodium ion exchanged zirconium phosphates, ZrNaxH2−x(PO4)2, yields mixtures of phases which include NaZr2(PO4)3. When x is less than one, the second phase is ZrP2O7. At values of x 〉 1 the products are Zr(NaPO4)2, NaZr2(PO4)3 and possibly NaPO3 + Na2O. At x = 1 the products are NaZr2(PO4)3 + NaPO3. Hydrothermal treatment of ZrNaxH2−x(PO4)2 also yields triphosphates which contain some protons and zeolitic water. Zirconium phosphate treated hydrothermally in the presence of sodium silicates yields sodium zirconium silicophosphates. © 1980, All rights reserved.
author list (cited authors)
Clearfield, A., Jirustithipong, P., Cotman, R. N., & Pack, S. P.