Chromium geochemistry of serpentine soils
WebJan 1, 2004 · Chromium concentrations in serpentine soil profiles fluctuate between 1,725 to 4,760 mg kg 1 and do not correspond to variations in soil pH, organic carbon, or electrical conductivity. The... WebAug 30, 2001 · Mineral forms of Cr in serpentinitic soil near a former chromite mine also resisted oxidation on the time scale of days. Mobilization of Cr(VI) could be a hazardous consequence of using H2O2for in situ remediation of chemically complex wastes, but H2O2could prove attractive for ex situ treatment (i.e., soil washing).
Chromium geochemistry of serpentine soils
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WebBioaccumulation and human health risk assessment of chromium and nickel in paddy rice grown in serpentine soils. Environmental Science and Pollution Research, 1-12. 10.1007 ... (2024) Towards integrated management of a shallow tropical lake: assessment of water quality, sediment geochemistry, and phytoplankton diversity in Lake Palakpakin ... WebChrominium geochemistry of serpentine soils Author(s) Oze, C; Fendorf, S; Bird, DK; Coleman, RG ... (> 1,000 mg kg(-1)), and Mn (> 200 mg kg(-1)) exceeding values of non-serpentine soils. Although Cr concentrations in serpentine soils have been reported as high as 6 wt% in New Caledonia, Cr values in New Caledonia, Oregon, and California ...
WebSep 27, 2024 · Geochemical characterization of the serpentine soils. The geochemistry of the soils from the SEP was studied in 10 different locations spread along the eastern, … WebStatistics and information on the worldwide supply of, demand for, and flow of the mineral commodity chromium. Chromium (Cr) has a wide range of uses in metals, chemicals, …
WebEnvironmental microbes in rhizosphere soil and surrounding plants have the potential to alter ecosystem functions. We investigated the microbial communities inhabiting the rhizosphere soils of both serpentine and non-serpentine rhizosphere zones to evaluate their heavy metal tolerance and ability to promote plant growth, utilizing 16S rRNA … WebOct 22, 2016 · To provide a basis for the evaluation of Cr mobility in ultramafic environments, this paper presents an overview of the mineralogy and geochemistry of …
WebFeb 1, 2004 · Overall, serpentine soils are slightly acidic (average pH of ∼6), contain a variety Fe(III) oxides (magnetite and hematite), Fe(III) (oxy)hydroxides, phyllosilicates …
WebFeb 1, 2004 · Overall, serpentine soils are slightly acidic (average pH of ∼6), contain a variety Fe (III) oxides (magnetite and hematite), Fe (III) (oxy)hydroxides, phyllosilicates … curl to fetchWebPhysical and chemical soil properties are generally correlated with the parent material, as its composition may influence the pedogenetic processes, the content of nutrients, and the element biocycling. This research studied the chemical and biochemical properties of the A horizon from soils developed on different rocks like amphibolite, serpentinite, phyllite, … curl toe bootsWebMay 19, 2010 · Cr-magnetites and other Cr-bearing iron oxides are commonly found in serpentine soils (e.g. Kierczak et al. 2007; Caillaud et al. 2009), ... Oze C, Fendorf S, Bird DK, Coleman RG (2004a) Chromium geochemistry of serpentine soils. Int Geol Rev 46:97–126. Article Google Scholar Oze C, Fendorf S, Bird DK, Coleman RG (2004b) … curl to fetch jsWebJun 17, 2015 · Chromium and Ni have been transported eastward from the Coast Range into the western Sacramento Valley and as a result, valley soil is enriched in Cr … curl to fetch converterWebOct 1, 2024 · Chromium contents of up to 30 g kg −1 have been found in serpentine soils of New Caledonia (Amir and Pineau, 1998). Average Ni content in soils is approximately 16 … curl to fetch apiWebOct 1, 2024 · The aims were to: (1) investigate Cr and Ni contents in the serpentine soils from different climates, (2) evaluate the potential mobility of Cr and Ni by sequential extraction for the soils along the climate gradient, and (3) illustrate the relationship between the different metal fractions and soil properties. Section snippets curl toes when walkingWebOverall, serpentine soils are slightly acidic (average pH of ~6), contain a variety Fe(III) oxides (magnetite and hematite), Fe(III) (oxy)hydroxides, phyllosilicates (serpentine and … curl toe shoes