About: Differences in the bioaccessibility of metals/metalloids in soils from mining and smelting areas (Copperbelt, Zambia)

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rdf:type	skos:Concept http://linked.opendata.cz/ontology/domain/vavai/Vysledek
rdfs:seeAlso	http://dx.doi.org/10.1016/j.gexplo.2011.08.001
Description	Differences in the total and bioaccessible concentrations of As and metals (Co, Cu, Pb, Zn) in topsoils (n = 107) from the mining and smelting areas in the Zambian Copperbelt were evaluated. The mean total concentrations of metals and As in topsoils were generally 2 to 7x higher in the smelting area, indicating significantly higher effect of smelter dust fallout on the degree of topsoil contamination. The contaminant bioaccessibility was tested by an US EPA-adopted in vitro method using a simulating gastric fluid containing a 0.4 M solution of glycine adjusted to pH 1.5 by HCl. Higher bioaccessibilities in the smelter area were observed for As and Pb, attaining 100% of the total metal/metalloid concentration. The maximum bioaccessibilities of As and Pb in the mining area were 84% and 81%, respectively. The ranges, mean and median bioaccessibilities of Co, Cu and Zn were similar for the two areas. The maximum bioaccessibilities of Co, Cu and Zn were 58-65%, 80-83% and 79-83%, respectively. The obtained data indicate that a severe health risk related to topsoil ingestion should be taken into account, especially in smelting areas. Differences in the total and bioaccessible concentrations of As and metals (Co, Cu, Pb, Zn) in topsoils (n = 107) from the mining and smelting areas in the Zambian Copperbelt were evaluated. The mean total concentrations of metals and As in topsoils were generally 2 to 7x higher in the smelting area, indicating significantly higher effect of smelter dust fallout on the degree of topsoil contamination. The contaminant bioaccessibility was tested by an US EPA-adopted in vitro method using a simulating gastric fluid containing a 0.4 M solution of glycine adjusted to pH 1.5 by HCl. Higher bioaccessibilities in the smelter area were observed for As and Pb, attaining 100% of the total metal/metalloid concentration. The maximum bioaccessibilities of As and Pb in the mining area were 84% and 81%, respectively. The ranges, mean and median bioaccessibilities of Co, Cu and Zn were similar for the two areas. The maximum bioaccessibilities of Co, Cu and Zn were 58-65%, 80-83% and 79-83%, respectively. The obtained data indicate that a severe health risk related to topsoil ingestion should be taken into account, especially in smelting areas. (en)
Title	Differences in the bioaccessibility of metals/metalloids in soils from mining and smelting areas (Copperbelt, Zambia) Differences in the bioaccessibility of metals/metalloids in soils from mining and smelting areas (Copperbelt, Zambia) (en)
skos:prefLabel	Differences in the bioaccessibility of metals/metalloids in soils from mining and smelting areas (Copperbelt, Zambia) Differences in the bioaccessibility of metals/metalloids in soils from mining and smelting areas (Copperbelt, Zambia) (en)
skos:notation	RIV/00216208:11310/12:10127548!RIV13-GA0-11310___
http://linked.open...avai/predkladatel	Přírodovědecká fakulta
http://linked.open...avai/riv/aktivita	I P Z
http://linked.open...avai/riv/aktivity	I, P(GA205/08/0321), P(GAP210/12/1413), Z(MSM0021620855)
http://linked.open...iv/cisloPeriodika	FEBRUARY
http://linked.open...vai/riv/dodaniDat	2013
http://linked.open...aciTvurceVysledku	Mihaljevič, Martin Ettler, Vojtěch
http://linked.open.../riv/druhVysledku	J - Článek v odborném periodiku
http://linked.open...iv/duvernostUdaju	S - Úplné a pravdivé údaje nepodléhající ochraně podle zvláštních právních předpisů
http://linked.open...titaPredkladatele	Univerzita Karlova v Praze / Přírodovědecká fakulta
http://linked.open...dnocenehoVysledku	131225
http://linked.open...ai/riv/idVysledku	RIV/00216208:11310/12:10127548
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	Zambia; Copperbelt; Arsenic; metals; topsoil; Bioaccessibility (en)
http://linked.open.../riv/klicoveSlovo	Copperbelt Zambia metals topsoil Arsenic Bioaccessibility
http://linked.open...odStatuVydavatele	NL - Nizozemsko
http://linked.open...ontrolniKodProRIV	[AB1EB80C7584]
http://linked.open...i/riv/nazevZdroje	Journal of Geochemical Exploration
http://linked.open...in/vavai/riv/obor	DD
http://linked.open...ichTvurcuVysledku	2 (xsd:int)
http://linked.open...cetTvurcuVysledku	5 (xsd:int)
http://linked.open...vavai/riv/projekt	Impact of ore mining and processing on the environment in the Copperbelt Province, Zambia: A model of heavy metals and sulphur cycles in soils, sediments, water Impact of ore mining and processing on the environment in Namibia: Modelling pollutants migration in soils, plants and groundwaters
http://linked.open...UplatneniVysledku	2012
http://linked.open...v/svazekPeriodika	113
http://linked.open...iv/tvurceVysledku	Kříbek, Bohdan Majer, Vladimír Mihaljevič, Martin Ettler, Vojtěch Knésl, Ilja
http://linked.open...ain/vavai/riv/wos	000301086300008
http://linked.open...n/vavai/riv/zamer	Material flow mechanisms in the upper spheres of the Earth
issn	0375-6742
number of pages	8 (xsd:int)
http://bibframe.org/vocab/doi	10.1016/j.gexplo.2011.08.001
http://localhost/t...ganizacniJednotka	11310
is http://linked.open...avai/riv/vysledek of	Differences in the bioaccessibility of metals/metalloids in soils from mining and smelting areas (Copperbelt, Zambia)

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