Chromium biogeochemical behaviour in soil-plant systems and remediation strategies: A critical review

M Ao, X Chen, T Deng, S Sun, Y Tang, JL Morel… - Journal of hazardous …, 2022 - Elsevier
Chromium (Cr) is a toxic heavy metal that is heavily discharged into the soil environment
due to its widespread use and mining. High Cr levels may pose toxic hazards to plants …

The occurrence of" yellowing" phenomenon and its main driving factors after the remediation of chromium (Cr)-contaminated soils: A literature review

HK Li, DM Xu, JX Wang, ZL Xu, RB Fu - Journal of Hazardous Materials, 2023 - Elsevier
Chromium (Cr) is a highly toxic element, which is widely present in environment due to
industrial activities. One of most applicable technique to clean up Cr pollution is chemical …

Natural source of Cr (VI) in soil: The anoxic oxidation of Cr (III) by Mn oxides

M Ao, S Sun, T Deng, F Zhang, T Liu, Y Tang… - Journal of Hazardous …, 2022 - Elsevier
Cr (VI) from oxidation of geogenic Cr (III) minerals is gradually becoming the primary source
of Cr (VI) in soils and groundwater instead of direct emissions. Thermodynamically, natural …

Genesis and behaviour of ultramafic soils and consequences for nickel biogeochemistry

G Echevarria - … farming for metals: extracting unconventional resources …, 2021 - Springer
Ultramafic outcrops could represent up to 3% or more of the terrestrial surface and their
unusual geochemistry makes them a global hotspot for biodiversity. Ultramafic soils are a …

How did the ultramafic soils shape the flora of the New Caledonian hotspot?

S Isnard, L L'huillier, F Rigault, T Jaffré - Plant and Soil, 2016 - Springer
Abstract Background New Caledonia is renowned as one of the world's most significant
biodiversity hotpots. The nutrient-deficiency and cations imbalances of ultramafic soils …

Formation and immobilization of Cr (VI) species in long-term tannery waste contaminated soils

J Shi, WB McGill, N Chen, PM Rutherford… - Environmental …, 2020 - ACS Publications
Chromium speciation in naturally contaminated soils appears more complex than spiked
studies have shown. This study characterized Cr speciation (oxidation states; availability; …

Enrichment and speciation of chromium during basalt weathering: Insights from variably weathered profiles in the Leizhou Peninsula, South China

SS Sun, M Ao, KR Geng, JQ Chen, JJ Li… - Science of the Total …, 2022 - Elsevier
Basalt-derived soils are widespread worldwide. Such soils contain high levels of heavy
metals like chromium (Cr), which is a serious environmental concern. However, little is …

Ni speciation in a New Caledonian lateritic regolith: A quantitative X-ray absorption spectroscopy investigation

G Dublet, F Juillot, G Morin, E Fritsch, D Fandeur… - … et Cosmochimica Acta, 2012 - Elsevier
Changes in Ni speciation in a 64m vertical profile of a New Caledonian saprolitic–lateritic
regolith developed over ultramafic rocks under tropical weathering conditions were …

Nickel isotope fractionation during tropical weathering of ultramafic rocks

G Ratié, D Jouvin, J Garnier, O Rouxel, S Miska… - Chemical …, 2015 - Elsevier
Although Ni isotopes have been shown to be significantly fractionated in terrestrial samples,
their use in continental environmental studies has not yet been evaluated. The present study …

[HTML][HTML] Occurrence and cycling of trace elements in ultramafic soils and their impacts on human health: A critical review

M Vithanage, P Kumarathilaka, C Oze… - Environment …, 2019 - Elsevier
The transformation of trace metals (TMs) in natural environmental systems has created
significant concerns in recent decades. Ultramafic environments lead to potential risks to the …