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Updated: Sep 9, 2025

Two-Dimensional Visualization and Quantification of Labile, Inorganic Plant Nutrients and Contaminants in Soil
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農地における重金属汚染の特徴と発生源の配分 ユン南西部の複合発祥地域

Yingmei Li1,2,3, Sheng Wang4,3, Xiaoyan Shang1,2,3

  • 1College of Resources and Environment, Yunnan Agricultural University, Kunming, 650201, China.

Scientific reports
|September 1, 2025
PubMed
まとめ

雲南省では重金属による土壌汚染が広く存在し,カドミウム (Cd) と鉛 (Pb) が主な懸念事項である. 産業輸送,原材料,農業,鉱業を主要な汚染源として特定した.

キーワード:
耕地 土壌重金属による汚染高い地質背景ソース分析

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Extraction: Advanced Methods00:56

Extraction: Advanced Methods

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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