Aqueous speciation of cadmium chloride in supercritical hydrothermal solutions at 500 and 600°C under 0.5 and 1 kbar

Etsuo Uchida, Ryo Inoue, Koichi Ogiso

    Research output: Contribution to journalArticle

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    Abstract

    Aqueous speciation of cadmium in 2 M chloride solutions was determined at 500 and 600°C, 1 kbar and 600°C, 0.5 kbar in the system CaTiO3-CdTiO3-CaCl2-CdCl2-NaCl-H2O using the same experimental method as Uchida et al. (1998). Thermodynamic analysis of the experimental results gives 1.3, 2.3 and 2.9 for the logarithm of the stepwise formation constant of tri-chloro cadmium complex at 500 and 600°C, 1 kbar and 600°C, 0.5 kbar, respectively. The formation constant increases with increasing temperature and decreasing pressure.

    Original languageEnglish
    Pages (from-to)339-344
    Number of pages6
    JournalGeochemical Journal
    Volume32
    Issue number5
    Publication statusPublished - 1998

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    cadmium chlorides
    Cadmium Chloride
    Cadmium
    cadmium
    chloride
    logarithms
    Chlorides
    thermodynamics
    chlorides
    Thermodynamics
    temperature
    Temperature
    perovskite
    analysis
    method

    ASJC Scopus subject areas

    • Geochemistry and Petrology
    • Geophysics

    Cite this

    Aqueous speciation of cadmium chloride in supercritical hydrothermal solutions at 500 and 600°C under 0.5 and 1 kbar. / Uchida, Etsuo; Inoue, Ryo; Ogiso, Koichi.

    In: Geochemical Journal, Vol. 32, No. 5, 1998, p. 339-344.

    Research output: Contribution to journalArticle

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    PY - 1998

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