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    Complete Crystal Structures and Elastic Properties of the Uranyl Minerals Johannite, Pseudojohannite and Derriksite by Francisco Colmenero, Jakub Plášil, Jiří Sejkora

    Published 2022-10-01
    “…Due to the high solubility of uranyl sulfate and selenite minerals, the investigation involving the determination of the crystal structures and physical properties of these minerals is essential in actinide environmental chemistry for the simulation of uranium migration from uraninite deposits and nuclear waste repositories. …”
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    Determination of Silicon Isotopic Compositions of Rock and Soil Reference Materials by MC-ICP-MS by YANG Lin, SHI Zhen, YU Huimin, HUANG Fang

    Published 2023-01-01
    “…BACKGROUND With the analytical technique development, the precision of Si isotopes analysis increases rapidly.Silicon isotopes are widely used in geochemistry, cosmochemistry, environmental chemistry and so on, and can be used to trace the circulation of crust-mantle material, the source of subducting fluid, and constrain the origin and evolution of the moon and extraterrestrial materials.To compare the precision and accuracy of Si isotope analysis results in different laboratories, it is necessary to analyze Si isotopes of reference materials with published Si isotope data.As generally used USGS reference materials are currently unavailable, it is important to report Si isotopes of new reference materials. …”
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