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Heating α-zirconium phosphate (α-ZrP) for long periods of time leads to the formation of two new phases ζ-ZrP and η-ZrP. The former phase is similar in structure to the phase obtained from solid-solid ion exchange reactions at low metal ion loadings. Refluxing α-ZrP in 15·7 M H3PO4 results in the formation of δ-ZrP which is converted to ε-ZrP on longer refluxing. Neither of these phases is a good ion exchanger. Several additional zirconium phosphate phases prepared in a variety of ways are also reported. © 1973.
author list (cited authors)
Clearfield, A., Landis, A. L., Medina, A. S., & Troup, J. M.