About: Mercury distribution and mobility in contaminated soils from vicinity of waste incineration plant

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An Entity of Type : http://linked.opendata.cz/ontology/domain/vavai/Vysledek, within Data Space : linked.opendata.cz associated with source document(s)

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rdf:type	skos:Concept http://linked.opendata.cz/ontology/domain/vavai/Vysledek
Description	The potential bioavailability of Hg from soil might be estimated by a variety of chemical extraction procedures, differing in the extraction agent, its concentration, the sample weight, and the time of extraction. In this study, a comparative analysis of several extraction methods was carried out. Concentrated HNO3, 0,01 mol/L Na2S2O3, 0,05 mol/L EDTA and 0,11 mol/L CH3COOH were used as the single extraction agents. Moreover, the sequential extraction was performed. This procedure involved the following fractions: water soluble Hg, Hg extracted in acidic conditions, Hg bound to humic substances, elemental Hg and mercury bound to complexes, and residual Hg. The results showed that even strong acid HNO3 is unable to release the mercury tightly bound to the soil matrix. Conversely, the lowest mercury yield was obtained using the acetic acid as the single extraction agent. In this case, the concentrations were below 0,15% of the total Hg content, which is a proportion defined as bioavailable to plants. The potential bioavailability of Hg from soil might be estimated by a variety of chemical extraction procedures, differing in the extraction agent, its concentration, the sample weight, and the time of extraction. In this study, a comparative analysis of several extraction methods was carried out. Concentrated HNO3, 0,01 mol/L Na2S2O3, 0,05 mol/L EDTA and 0,11 mol/L CH3COOH were used as the single extraction agents. Moreover, the sequential extraction was performed. This procedure involved the following fractions: water soluble Hg, Hg extracted in acidic conditions, Hg bound to humic substances, elemental Hg and mercury bound to complexes, and residual Hg. The results showed that even strong acid HNO3 is unable to release the mercury tightly bound to the soil matrix. Conversely, the lowest mercury yield was obtained using the acetic acid as the single extraction agent. In this case, the concentrations were below 0,15% of the total Hg content, which is a proportion defined as bioavailable to plants. (en)
Title	Mercury distribution and mobility in contaminated soils from vicinity of waste incineration plant Mercury distribution and mobility in contaminated soils from vicinity of waste incineration plant (en)
skos:prefLabel	Mercury distribution and mobility in contaminated soils from vicinity of waste incineration plant Mercury distribution and mobility in contaminated soils from vicinity of waste incineration plant (en)
skos:notation	RIV/60460709:41210/14:63677!RIV15-GA0-41210___
http://linked.open...avai/riv/aktivita	P S
http://linked.open...avai/riv/aktivity	P(GAP503/12/0682), S
http://linked.open...iv/cisloPeriodika	2
http://linked.open...vai/riv/dodaniDat	2015
http://linked.open...aciTvurceVysledku	Tlustoš, Pavel Száková, Jiřina Šípková, Adéla
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	Česká zemědělská univerzita v Praze / Fakulta agrobiologie, potravinových a přírodních zdrojů
http://linked.open...dnocenehoVysledku	28328
http://linked.open...ai/riv/idVysledku	RIV/60460709:41210/14:63677
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	bioavailability, extraction methods, inductively coupled plasma mass spectroscopy, advanced mercury analyzer AMA-254 (en)
http://linked.open.../riv/klicoveSlovo	extraction methods bioavailability advanced mercury analyzer AMA-254 inductively coupled plasma mass spectroscopy
http://linked.open...odStatuVydavatele	CZ - Česká republika
http://linked.open...ontrolniKodProRIV	[7A10DBFAC57D]
http://linked.open...i/riv/nazevZdroje	Plant, Soil and Environment
http://linked.open...in/vavai/riv/obor	CB
http://linked.open...ichTvurcuVysledku	3 (xsd:int)
http://linked.open...cetTvurcuVysledku	6 (xsd:int)
http://linked.open...vavai/riv/projekt	Mercury uptake accumulation and transformation by soil microflora: an assessment of possible approach for bioremediation of mercury contaminated soils
http://linked.open...UplatneniVysledku	2014
http://linked.open...v/svazekPeriodika	60
http://linked.open...iv/tvurceVysledku	Száková, Jiřina Tlustoš, Pavel Coufalík, Pavel Kacálková, Lada Zvěřina, Ondřej Šípková, Adéla
http://linked.open...ain/vavai/riv/wos	000332595700007
issn	1214-1178
number of pages	6 (xsd:int)
http://localhost/t...ganizacniJednotka	41210

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