Application of a magnetic extraction technique to assess radionuclide–mineral association in Cumbrian shoreline sediments

McCubbin, D.; Leonard, K.S.; Young, A.K.; Maher, Barbara A.; Bennett, Stephen

doi:10.1016/j.jenvrad.2004.02.006

Cited by 16 publications

(1 citation statement)

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“…In case both minerals and radionuclides can be assumed to be dispersedly found and similar affected by the process, correlation between the major minerals and the radionuclides may be expected. McCubbin et al (2004) assessed the association of -emitting radionuclides with iron minerals in beach sands that were subjected to successive extractions to separate magnetic iron oxide minerals. They found that radionuclide concentrations in the magnetic extracts were enhanced (46-fold) relative to the residue.…”

Section: Introductionmentioning

confidence: 99%

Magnetic, chemical and radionuclide studies of river sediments and their variation with different physiographic regions of Bharathapuzha river, southwestern India

et al. 2015

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Section: Introductionmentioning

confidence: 99%

Magnetic, chemical and radionuclide studies of river sediments and their variation with different physiographic regions of Bharathapuzha river, southwestern India

et al. 2015

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Enrichment and solubility of trace metals associated with magnetic extracts in industrially derived contaminated soils

Wang

Chen

2012

Environ Geochem Health

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Magnetic fractions (MFs) in industrially derived contaminated soils were extracted with a magnetic separation procedure. Total, soluble, and bioaccessible Cr, Cu, Pb and Zn in the MFs and non-magnetic fractions (NMFs) were analyzed using aqua regia and extraction tests, such as deionized water, toxicity characteristic leaching procedure (TCLP), and gastric juice simulation (GJST) test. Compared with the non-magnetic fractions, soil MFs were enriched with Fe, Mn, Pb, Cd, Cr, Cu, and Ni. Extraction tests indicated that soil MFs contained higher water, TCLP, and GJST-extractable Cr, Cu, Pb, and Zn concentrations than the soil NMFs. The TCLP-extractable Pb concentration in the MFs exceeded the USEPA hazardous waste criteria, suggesting that soil MFs have a potentially environmental pollution risk. Solubility of trace metals was variable in the different extraction tests, which has the order of GJST > TCLP > water. TCLP test showed Cu and Zn were more mobile than Cr and Pb while bioaccessibility of trace metal defined by GJST test showed the order of Cu ≈ Cr ≈ Zn > Pb. These findings suggested that the MFs in the industrially derived contaminated soils had higher possibility of polluting water bodies, and careful environmental impact assessment was necessary.

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Sorption of Cs, Pu and Am on clay minerals

Lujaniené¹,

Motiejūnas²,

Šapolaitė³

2007

J Radioanal Nucl Chem

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Application of a magnetic extraction technique to assess radionuclide–mineral association in Cumbrian shoreline sediments

Cited by 16 publications

References 44 publications

Magnetic, chemical and radionuclide studies of river sediments and their variation with different physiographic regions of Bharathapuzha river, southwestern India

Magnetic, chemical and radionuclide studies of river sediments and their variation with different physiographic regions of Bharathapuzha river, southwestern India

Enrichment and solubility of trace metals associated with magnetic extracts in industrially derived contaminated soils

Sorption of Cs, Pu and Am on clay minerals

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