Incorporation of radionuclides in crystalline titanates

E. R. Vance, D. K. Agrawal

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60 Scopus citations


The solid solubilities of some or all of Cs, Sr, Y, La, U, Th, and Na in each of barium hollandite, zirconolite and titanite were investigated by X-ray diffraction in samples prepared by ceramic techniques at 1100-1400 °C. Various charge compensation schemes were used in attempts to incorporate aliovalent ions. Cs and Sr, but not the other ions, have extensive solid solubilities in barium hollandite. Zirconolite dissolves relatively large amounts of Na, as well as actinides and the smaller rare earths. Appreciable amounts of Sr, Na, rare earths, and actinides can be accommodated in titanite. Titanite is compatible with zirconolite but not with barium hollandite at ∼ 1200°C.

Original languageEnglish (US)
Pages (from-to)229-234
Number of pages6
JournalNuclear and Chemical Waste Management
Issue number4
StatePublished - 1982

All Science Journal Classification (ASJC) codes

  • Waste Management and Disposal
  • General Environmental Science
  • Pollution
  • General Earth and Planetary Sciences


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