Journal ArticleDOI
The aqueous geochemistry of the rare-earth elements: Critical stability constants for complexes with simple car☐ylic acids at 25°C and 1 bar and their application to nuclear waste management
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In this article, available stability constants for the formation of rare-earth elements (REE) complexes with the organic ligands acetate, adipate, benzoate, citrate, ETDA, formate, fumarate, glutarate, glycolate, α-hydroxyisobutyrate, β-mercaptoacetate, oxalate, m-phthalate, ophthalates, propionate, salicylate and succinate have been evaluated.About:
This article is published in Engineering Geology.The article was published on 1993-09-01. It has received 124 citations till now. The article focuses on the topics: Waste disposal & Stability constants of complexes.read more
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Speciation of rare earth elements in natural terrestrial waters: assessing the role of dissolved organic matter from the modeling approach
Jianwu Tang,Karen H. Johannesson +1 more
TL;DR: In this paper, the Humic Ion-Binding Model V was modified to assess the role of dissolved natural organic matter in the speciation of rare earth elements (REEs) in natural terrestrial waters.
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Rare earth elements complexation with humic acid
TL;DR: In this paper, the binding of rare earth elements (REE) to humic acid (HA) was studied by combining ultrafiltration and Inductively Coupled Plasma Mass Spectrometry techniques.
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Rare earth element concentrations and speciation in organic-rich blackwaters of the Great Dismal Swamp, Virginia, USA
TL;DR: The results of the speciation modeling and the voltammetric titrations all point towards control of dissolved rare earth elements in Great Dismal Swamp waters by complexation of these heavy metals with natural organic matter.
Journal ArticleDOI
Rare earth elements in soil and in soil-grown plants
TL;DR: The REE distribution patterns of fir and spruce were almost identical, but differed profoundly from that of the other species, and in most cases, concentration ratios between species were a smooth function of the atomic number of the REE.
Journal ArticleDOI
Rare earth element complexation behavior in circumneutral pH groundwaters: Assessing the role of carbonate and phosphate ions
TL;DR: In this article, rare earth element (REE) concentrations were determined in circumneutral pH (7 ≤ pH ≤ 9) groundwaters from south-central Nevada and the Mojave Desert in eastern California, U.S.A.
References
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Hard and soft acids and bases
TL;DR: In this paper, the rate data for the generalized nucleophilic displacement reaction were reviewed, and the authors presented a method to estimate the rate of the generalized displacement reaction in terms of the number of nucleophiles.
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