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Updated: Sep 13, 2025

Speciation and Bioavailability Measurements of Environmental Plutonium Using Diffusion in Thin Films
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稀土元素的再分配和增强生物可用性 稀土元素的再分配和增强生物可用性 稀土矿区的离子稀土矿区的采矿驱动转化引起的稀土元素物种化

Zengxue Wu1, Jingjing Liu2,3, Chun Li1

  • 1School of Energy and Machinery Engineering, Jiangxi University of Science and Technology, Shuanggang East Road #1180, Nanchang, 330013, China.

Scientific reports
|July 27, 2025
PubMed
概括

采矿改变了稀土元素 (REE) 在土壤中的分布和流动性. 这项研究表明,采矿减少了总的可再生能源,增加了移动分数,并带来了污染风险.

关键词:
生物可用性 生物可用性化学物种的分类 化学物种的分类分割 分割 分割 分割 分割 分割 分割 分割 分割 分裂 分裂 分裂 分裂 分裂 分裂 分裂 分裂 分裂 分裂 分裂 分裂采矿活动采矿活动稀土元素 稀土元素 稀土元素

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Metal ions can be separated from one another by complexation with organic ligands–the chelating agent– to form uncharged chelates. Here, the chelating agent must contain hydrophobic groups and behave as a weak acid, losing a proton to bind with the metal. Since most organic ligands used in this process are insoluble or undergo oxidation in the aqueous phase, the chelating agent is initially added to the organic phase and extracted into the aqueous phase. The metal-ligand complex is...
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