Showing 1 - 20 results of 84 for search '"Earth element"', query time: 0.06s Refine Results
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    Rare Earth Elements in Mineral Deposits: Speciation in Hydrothermal Fluids and Partitioning in Calcite by Emily P. Perry, Alexander P. Gysi

    Published 2018-01-01
    “…Studying the speciation and mineral-fluid partitioning of the rare earth elements (REE) allows us to delineate the key processes responsible for the formation of economic REE mineral deposits in natural systems. …”
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    Exposure pathways (diet, dissolved or particulate substrate) of rare earth elements to aquatic organisms by Ashlyn Kernaghan, Duc Huy Dang

    Published 2025-01-01
    “…The global extraction and use of rare earth elements (REEs) continue to rise as they are implemented in technologies that improve human and environmental livelihoods. …”
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    Dispersive Liquid–Liquid Chelate Microextraction of Rare Earth Elements: Optimization and Greenness Evaluation by Milica Delić, Mirjana Ristić, Maja Đolić, Aleksandra Perić-Grujić, Antonije Onjia

    Published 2025-01-01
    “…An ultrasound-assisted dispersive liquid–liquid microextraction (DLLME) method was developed to concentrate and quantify rare earth elements (REEs) (Sc, Y, La, Ce, Pr, Nd, Sm, Eu, Gd, Tb, Dy, Ho, Er, Tm, Yb, and Lu) in acidic aqueous solutions. …”
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    Fractionation of Rare Earth Elements in Greisen and Hydrothermal Veins Related to A-Type Magmatism by Mikael Tillberg, Olga M. Maskenskaya, Henrik Drake, Johan K. Hogmalm, Curt Broman, Anthony E. Fallick, Mats E. Åström

    Published 2019-01-01
    “…This study focuses on concentrations and fractionation of rare earth elements (REE) in a variety of minerals and bulk materials of hydrothermal greisen and vein mineralization in Paleoproterozoic monzodiorite to granodiorite related to the intrusion of Mesoproterozoic alkali- and fluorine-rich granite. …”
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    Fractionation of rare earth elements in tropical soils from marine mudstone along a toposequence by Marvin D. Cascante, Cho-Yin Wu, Zeng-Yei Hseu

    Published 2025-01-01
    “…Marine mudstones are major reservoirs for rare earth elements (REEs), and their topographical positions influence the distribution of soil REEs. …”
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    Some Rare Earth Elements Analysis by Microwave Plasma Torch Coupled with the Linear Ion Trap Mass Spectrometry by Xiaohong Xiong, Tao Jiang, Wenhao Qi, Jun Zuo, Meiling Yang, Qiang Fei, Saijin Xiao, Aimin Yu, Zhiqiang Zhu, Huanwen Chen

    Published 2015-01-01
    “…A sensitive mass spectrometric analysis method based on the microwave plasma technique is developed for the fast detection of trace rare earth elements (REEs) in aqueous solution. The plasma was produced from a microwave plasma torch (MPT) under atmospheric pressure and was used as ambient ion source of a linear ion trap mass spectrometer (LTQ). …”
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    Ultrasound-Assisted Extraction Followed by Inductively Coupled Plasma Mass Spectrometry and Multivariate Profiling of Rare Earth Elements in Coffee by Aleksandra Savić, Jelena Mutić, Milica Lučić, Jelena Vesković, Andrijana Miletić, Antonije Onjia

    Published 2025-01-01
    “…A rapid and efficient ultrasound-assisted extraction (UAE) procedure followed by inductively coupled plasma mass spectrometry (ICP-MS) was developed for the determination of 14 rare earth elements (REEs) (La, Ce, Pr, Nd, Sm, Eu, Gd, Tb, Dy, Ho, Er, Tm, Yb, Lu), along with yttrium (Y) and scandium (Sc), in coffee samples. …”
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    Use of Plackett–Burman Statistical Design to Study Factors Acting on the Nitric Acid Leaching of Rare Earth Elements from Moroccan Phosphogypsum by Fatima Asafar, Marouane Amine, Abdelkader Outzourhit, Latifa Bilali, Mehdi Nadifiyine

    Published 2024-01-01
    “…This work is an attempt to understand and optimize the rare earth elements leaching from Moroccan phosphogypsum using a nitric acid solution. …”
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