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Thermodynamic model for the solubility of BaSeO$$_{4}$$(cr) in the aqueous Ba$$^{2+}$$-SeO$$_{4}$$$$^{2-}$$-Na$$^{+}$$-H$$^{+}$$-OH$$^{-}$$-H$$_{2}$$O system; Extending to high selenate concentrations

Rai, D.*; Felmy, A. R.*; Moore, D. A.*; Kitamura, Akira  ; Yoshikawa, Hideki; Doi, Reisuke  ; Yoshida, Yasushi*

The aqueous solubility of BaSeO$$_{4}$$(cr) was studied in Na$$_{2}$$SeO$$_{4}$$ solutions ranging in concentration from 0.0001 to 4.1 mol.kg$$^{-1}$$ and maintained in a N$$_{2}$$ atmosphere at room temperature (296 $$pm$$ 2 K). The studies were conducted from both the undersaturation and oversaturation directions, with equilibration periods ranging from 3 to 596 days. The equilibrium in this system was reached rather rapidly ($$leq$$ 3 days). The SIT and Pitzer's ion-interaction models were used to interpret these data and the predictions based on both of these models agreed closely with the experimental data.

Language

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English

Journal

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Radiochimica Acta

Volume

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102

Number

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9

Pages

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p.817 - 830

Publication Year/Month

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2014/04

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Held date

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Location (country)

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Patent information

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PDF

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Paper URL

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https://doi.org/10.1515/ract-2013-2206

DOI for research data

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Keywords

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no keyword

Research Facility

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Press Release

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Article of JAEA R&D Review

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Cooperating Institute

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Rai Enviro-Chem

Accesses

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- Accesses

InCites™

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Percentile:8.88

Category:Chemistry, Inorganic & Nuclear

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