An Investigation of Iodovanadinite Wasteforms for the Immobilisation of Radio-Iodine and Technetium
Daniel J. Bailey,
Erik V. Johnstone,
Martin C. Stennett
et al.
Abstract:99Tc and 129I are two long-lived, highly soluble and mobile fission products that pose a long-term hazard. A proposed wasteform for the disposal of radio-iodine is iodovanadinite (Pb5(VO4)3I), an apatite-structured vanadate. In this investigation, a suite of potential iodovanadinite wasteforms designed for the co-disposal of Tc and I or the sole disposal of I were synthesised via hot isostatic pressing (with Mo as a surrogate for Tc). It was found that direct synthesis from oxide and iodide precursors was poss… Show more
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