分馏
土壤水分
环境化学
铊
同位素分馏
稳定同位素比值
同位素
化学
双锰矿
质量无关分馏
吸附
放射化学
环境科学
无机化学
氧化物
土壤科学
氧化锰
物理
有机化学
吸附
量子力学
作者
Kateřina Vejvodová,Aleš Vaněk,Ondřej Drábek,Mihajlo B. Spasić
标识
DOI:10.1016/j.jenvman.2022.115151
摘要
In this review, a compilation of the current knowledge on stable thallium (Tl) isotopes (205Tl and 203Tl) in specific industrial processes, soils and plants is presented. An overview of the processes that may control Tl concentration and Tl isotope fractionation is compiled, while also overviewing the ability of Tl isotopic ratios to be used as a 'fingerprint' in source apportionment. Thallium isotopic compositions not only depend on their origin, but also on soil processes that may occur over time. One of the most important phases affecting the fractionation of stable Tl isotopes in soils (or sediments) was systematically identified to be specific Mn(III,IV)-oxides (mainly birnessite), due to their potential ability of oxidative Tl sorption, i.e., indicative of redox Tl reactions to be critical controlling factor. It has been established that the Brassica family is a hyperaccumulator of Tl, with clear demonstrations of Tl isotopic fractionation occurring up the translocation pathway. A clear pattern, so far, was observed with Tl isotopic compositions in plants grown on soils that were contaminated and those grown on uncontaminated soils, indicating the importance of the growing medium on Tl uptake, translocation, and isotopic fractionation.
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