A Thermodynamic model for ZrO $_{2}$ (am) solubility at 25 $^{circ}$ C in the Ca $^{2+}$ -Na $^{+}$ -H $^{+}$ -Cl $^{-}$ -OH $^{-}$ -H $_{2}$ O system; A Critical review

Rai, D.*; Kitamura, Akira ; Altmaier, M.*; Rosso, K. M.*; Sasaki, Takayuki*; Kobayashi, Taishi*

We have critically reviewed experimental data for Zr hydrolysis constant values for formation of several mononuclear and polynuclear species and a solubility product value for ZrO $_{2}$ (am). We have determined new/revised values for the formation constants of Zr(OH) $_{2}$ $^{2+}$ , Zr(OH) $_{4}$ (aq), Zr(OH) $_{5}$ $^{-}$ , Zr(OH) $_{6}$ $^{2-}$ and Ca $_{3}$ Zr(OH) $_{6}$ $^{4+}$ , and the solubility product for ZrO $_{2}$ (am) after the critical review.

Language	:	English
Journal	:	Journal of Solution Chemistry
Volume	:	47
Number	:	5
Pages	:	p.855 - 891
Publication Year/Month	:	2018/05
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Paper URL	:	https://doi.org/10.1007/s10953-018-0766-4
DOI for research data	:	Link to research data related to this paper/report.
Keywords	:	Solubility; Amorphous zirconium dioxide; ZrO $_{2}$ (am); solubility product; thermodynamic data; hydrolysis constant
Research Facility	:	ENTRY(地層処分基盤研究施設)
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Article of JAEA R&D Review	:
Cooperating Institute	:	Rai Enviro-Chem

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Registration No. : AA20170309
JAEA Abstracts No. : 46000746
Paper Submission No. : 20324

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A Thermodynamic model for ZrO(am) solubility at 25C in the Ca-Na-H-Cl-OH-HO system; A Critical review

A Thermodynamic model for ZrO $_{2}$ (am) solubility at 25 $^{circ}$ C in the Ca $^{2+}$ -Na $^{+}$ -H $^{+}$ -Cl $^{-}$ -OH $^{-}$ -H $_{2}$ O system; A Critical review