Polyoxometalates in solution: speciation under spotlight

NI Gumerova, A Rompel - Chemical Society Reviews, 2020 - pubs.rsc.org
Polyoxometalates (POMs) are a large group of anionic polynuclear metal–oxo clusters with
discrete and chemically modifiable structures. In most aqueous POM solutions, numerous …

[HTML][HTML] Tungsten contamination, behavior and remediation in complex environmental settings

S Bolan, H Wijesekara, A Ireshika, T Zhang, M Pu… - Environment …, 2023 - Elsevier
Tungsten (W) is a rare element and present in the earth's crust mainly as iron, aluminium,
and calcium minerals including wolframite and scheelite. This review aims to offer an …

Three Polyoxometalate-Based Ag–Organic Compounds as Heterogeneous Catalysts for the Synthesis of Benzimidazoles

YF Liu, XL Lin, BM Ming, QL Hu, HQ Liu… - Inorganic …, 2024 - ACS Publications
Three new POM-based compounds, with formulae [Na0. 63Ag3 (Htba) 2.37 (tba) 0.63 (H2O)
2 (PMo12O40)]· 4H2O (Ag 3 PMo),[Ag4 (Htba) 4 (H2O) 2 (PMo12O40)](NO3)· H2O (Ag 4 …

Tungsten distribution and vertical migration in soils near a typical abandoned tungsten smelter

H Du, Y Li, D Wan, C Sun, J Sun - Journal of Hazardous Materials, 2022 - Elsevier
As an emerging contaminant, tungsten's distribution and speciation in soils are far from
understood. In this study, two soil profiles near a typical abandoned tungsten smelter in …

Health risks of metal (loid) s in maize (Zea mays L.) in an artisanal zinc smelting zone and source fingerprinting by lead isotope

X Wei, Y Zhou, Y Jiang, DCW Tsang, C Zhang… - Science of the Total …, 2020 - Elsevier
Metal (loid) contamination caused by industrial activities in agricultural soils has become a
universal environmental and food safety concern. This study revealed the contamination …

In vitro tungsten bioaccessibility in Chinese residential soils: Implications for human health risk assessments and soil screening level derivation

L Lu, M Lei, Y Zhou, H Cui, H Du - Journal of Hazardous Materials, 2024 - Elsevier
Tungsten (W) contamination presents emerging environmental challenges, necessitating the
need to establish soil screening levels (SSLs), especially for residential soils. This study …

Leaching of heavy metals from tungsten mining tailings: A case study based on static and kinetic leaching tests

X Zheng, S Qiu, B Zhou, Q Li, M Chen - Environmental Pollution, 2024 - Elsevier
Heavy metal (HM) leaching from tungsten mine tailings is a serious environmental risk. In
this study, we assess the HM pollution level of tungsten tailings, determine the HM leaching …

Geogenic pollution, fractionation and potential risks of Cd and Zn in soils from a mountainous region underlain by black shale

Y Liu, T Xiao, Z Zhu, L Ma, H Li, Z Ning - Science of the Total Environment, 2021 - Elsevier
This study investigated the pollution, fractionation and potential risks of heavy metals in soils
from a mountainous area with black shale outcropping, with emphasis on Cd and Zn …

Dissimilar behaviors of the geochemical twins W and Mo in hypoxic-euxinic marine basins

O Dellwig, A Wegwerth, B Schnetger, H Schulz… - Earth-Science …, 2019 - Elsevier
Redox-sensitive trace metals are powerful tools for the reconstruction of modern and past
redox conditions in aquatic ecosystems. The most prominent example is molybdenum (Mo) …

Soil tungsten contamination and health risk assessment of an abandoned tungsten mine site

S Liu, R Yuan, X Wang, Z Yan - Science of The Total Environment, 2022 - Elsevier
The mining and beneficiation of tungsten ores, including waste treatment and tailings
disposal, may cause soil contamination in the mining area and environments. Few studies …