Assessing rare-earth elements and anthropogenic gadolinium in water samples from an urban artificial lake and its tributaries in the Brazilian Federal District

Amorim, Artur M.; Sodré, Fernando Fabriz; Rousseau, Tristan C. C.; Maia, Poliana Dutra

doi:10.1016/j.microc.2019.04.055

Cited by 14 publications

(5 citation statements)

References 40 publications

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“…Thus, the community relies on published values for inter-laboratory testing (Fisher andKara 2016, Filella andRodushkin 2018). Published SLRS-6 ultra-trace element data are scarce but now increasing in availability, especially for the REE (Amorim et al 2019, Lerat-Hardy et al 2019, Schmidt et al 2019, Yeghicheyan et al 2019.…”

Section: Introductionmentioning

confidence: 99%

Ultra-trace Element Characterization of the Central Ottawa River Basin using a Rapid, Flexible, and Low-volume ICP-MS Method

et al. 2020

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Ultra-trace (<1 ng g -1 ) rare earth elements and yttrium (REE+Y) and high field strength element (HFSE) geochemistry of freshwater can constrain element sources, aqueous processes in hydrologic catchments, and the signature of dissolved terrestrial fluxes to the oceans. This study details an adapted method capable of quantifying ≥38 elements (including all REE+Y, Nb, Ta, Zr, Hf, Mo, W, Th, U) with minimal sample preparation in natural water aliquots as low as ≤2 mL. The method precision and accuracy are demonstrated using measurement of the National Research Council -Conseil national de recherches Canada (NRC-CNRC) river water certified reference material (CRM) SLRS-6 sampled from the Ottawa River (OR).Data from SLRS CRM are compared to those of new, filtered (<0.45 µm) stream water samples from the central Ottawa River basin (ORB), and discussed in terms of processes and geochemical signatures inherited from the highly evolved igneous/metamorphic Archean and Proterozoic bedrock in the catchment. The ORB waters have significantly LREE>HREE-enriched REE+Y patterns, small natural positive Y and Gd anomalies, and negative Eu and Ce anomalies. These REE+Y features are coherent downstream in the OR apart from amplification of Eu and Ce anomalies during REE removal/dilution. The OR samples capture a downstream decrease in sparingly soluble HFSE (Th, Nb, Ta, Zr, Hf), presumably related to their colloid-particulate removal from the dissolved load, accompanied by crustal Zr/Hf (32.5 ± 5.1) and supercrustal Nb/Ta (25.1 ± 7.7) ratios. Subcrustal Th/U (0.17-0.96) and supercrustal Mo/W (12.0-74.5) ratios in all ORB waters indicate preferential release and aqueous solubility of U>Th and Mo>W, with the latter attributed primarily to preferential W adsorption on soil or upstream aquatic (oxy)(hydr)oxide surfaces.

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Section: Introductionmentioning

confidence: 99%

Ultra-trace Element Characterization of the Central Ottawa River Basin using a Rapid, Flexible, and Low-volume ICP-MS Method

et al. 2020

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“…According to previous studies (Amorim et al, 2019), when δGd > 1.5, it indicates that Gd has exceeded natural levels. In the present study, the variation range of δGd in rivers is 1.46 to 18.83, with an average of 6.27 (Table 1).…”

Section: Gd Anomaly and Anthropogenic Gd (Gd Anthr ) In Riversmentioning

confidence: 81%

Geochemical characteristics and influencing factors of dissolved rare earth elements in rivers of coal-grain composite areas in eastern China

Jiang

Xia

et al. 2023

Preprint

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Rare earth elements are widely used in the study of source tracing and geochemical characteristics, which can reflect the degree of influence of human activities on water environment. In order to reveal the additive effects of various human activities on the geochemical characteristics of rare earth elements in the surface water environment, the content of rare earth elements in the surface river water in the coal-grain complex area of eastern China was determined by inductively coupled plasma mass spectrometry (ICP-MS). The results showed that all water samples were alkaline, ΣREE content ranged from 0.18 ~ 0.88 µg·L-1, with an average value of 0.28 µg·L-1. All of the water samples showed significant enrichment of light rare earth elements due to a combination of natural processes and external inputs. The spatial distribution and fractionation characteristics of rare earth elements show that rare earth elements (especially Ce) are prone to adsorption/complexation reactions with colloidal particles, resulting in their removal from water, Eu anomaly is related to plagioclase crystallization and human activities (coal development, agricultural production, urbanization process), and Gd anomaly is only related to human activities. The research results can provide scientific reference for revealing the distribution of rare earth elements and geochemical environmental behavior in surface water environment under the superimposed influence of various human activities.

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“…Lanthanum (La, Z = 57) to lutetium (Lu, Z = 71) together with the addition of yttrium (Y, Z = 39) in the periodic table are regarded as rare earth elements (REEs). − Considering their essential status in large amounts of high-tech processes and industrial products (i.e., advanced weapon systems, contrast agents in the medical imaging field, super capacitors and conductors, etc. ), the application of REEs in economical and industrial activities has dramatically increased, especially in the past two decades. ,− This situation leads to excessive REE discharge into adjacent urban rivers and poses a threat to the environment, which takes great scientific concern. ,− …”

Section: Introductionmentioning

confidence: 99%

Anthropogenic Gadolinium Accumulation and Rare Earth Element Anomalies of the Typical Urban River, North China: Evidence from the Three-Dimensional Tracing System

Gao,

Han,

Zhang

et al. 2023

ACS Earth Space Chem.

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Assessing rare-earth elements and anthropogenic gadolinium in water samples from an urban artificial lake and its tributaries in the Brazilian Federal District

Cited by 14 publications

References 40 publications

Ultra-trace Element Characterization of the Central Ottawa River Basin using a Rapid, Flexible, and Low-volume ICP-MS Method

Ultra-trace Element Characterization of the Central Ottawa River Basin using a Rapid, Flexible, and Low-volume ICP-MS Method

Geochemical characteristics and influencing factors of dissolved rare earth elements in rivers of coal-grain composite areas in eastern China

Anthropogenic Gadolinium Accumulation and Rare Earth Element Anomalies of the Typical Urban River, North China: Evidence from the Three-Dimensional Tracing System

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