About: Distribution of heavy metals between fractions of humic substances in soil

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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	For set of 20 heavily polluted soil samples pseudo-total content of Cd, Pb and Zn was determined by FAAS. Franctionation of humic substances was done. Content of above mentioned heavy metals in each humus fraction was determined (by means of FAAS) or calculated. These heavy metals are found to be bound more on fulvic acid than on humic acid probably due to higher amount of functional groups and higher cation exchange capacity of fulvic acids. It can be concluded that fulvic acids are generally more important in metal binding in soils. Due to the fact that fulvic acid are more mobile and easily soluble in a wide pH range metals especially Zn and Cd became more mobile and bioavailable. Relatively higher share of the humic acid fraction was found for lead this leads to imobilization of this metal rhtough binding on soil matter For set of 20 heavily polluted soil samples pseudo-total content of Cd, Pb and Zn was determined by FAAS. Franctionation of humic substances was done. Content of above mentioned heavy metals in each humus fraction was determined (by means of FAAS) or calculated. These heavy metals are found to be bound more on fulvic acid than on humic acid probably due to higher amount of functional groups and higher cation exchange capacity of fulvic acids. It can be concluded that fulvic acids are generally more important in metal binding in soils. Due to the fact that fulvic acid are more mobile and easily soluble in a wide pH range metals especially Zn and Cd became more mobile and bioavailable. Relatively higher share of the humic acid fraction was found for lead this leads to imobilization of this metal rhtough binding on soil matter (en)
Title	Distribution of heavy metals between fractions of humic substances in soil Distribution of heavy metals between fractions of humic substances in soil (en)
skos:prefLabel	Distribution of heavy metals between fractions of humic substances in soil Distribution of heavy metals between fractions of humic substances in soil (en)
skos:notation	RIV/60460709:_____/02:00004343!RIV/2003/MZE/410003/N
http://linked.open.../vavai/riv/strany	200-203
http://linked.open...avai/riv/aktivita	P
http://linked.open...avai/riv/aktivity	P(QC1250)
http://linked.open...vai/riv/dodaniDat	2003
http://linked.open...aciTvurceVysledku	Borůvka, Luboš Drábek, Ondřej
http://linked.open.../riv/druhVysledku	D - Článek ve sborníku
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 / (nerozlišená součást)
http://linked.open...dnocenehoVysledku	643405
http://linked.open...ai/riv/idVysledku	RIV/60460709:_____/02:00004343
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	heavy metals, polluted soils, humic acids, fulvic acids, mobility (en)
http://linked.open.../riv/klicoveSlovo	fulvic acids humic acids heavy metals mobility polluted soils
http://linked.open...ontrolniKodProRIV	[5B5282F44EFE]
http://linked.open...v/mistoKonaniAkce	Jena
http://linked.open...i/riv/mistoVydani	Leipzig
http://linked.open...i/riv/nazevZdroje	Sborník - Macro and Trace Elements Agricultural, Biological, Environmental, Nutritional and Medical Importance of Macro, Trace and Ultra Trace Elemen
http://linked.open...in/vavai/riv/obor	DF
http://linked.open...ichTvurcuVysledku	2 (xsd:int)
http://linked.open...cetTvurcuVysledku	3 (xsd:int)
http://linked.open...ocetUcastnikuAkce	0 (xsd:int)
http://linked.open...nichUcastnikuAkce	0 (xsd:int)
http://linked.open...vavai/riv/projekt	Spatial distribution of labile aluminium forms in soils of selected mountainous areas of Bohemia and its prediction
http://linked.open...UplatneniVysledku	2002
http://linked.open...iv/tvurceVysledku	Borůvka, Luboš Drábek, Ondřej Martínez, V. M.
http://linked.open...vavai/riv/typAkce	EUR - Evropská
http://linked.open.../riv/zahajeniAkce	2002-10-18 (xsd:date)
number of pages	4 (xsd:int)
http://purl.org/ne...btex#hasPublisher	FS-Universität
https://schema.org/isbn	3-929526-73-5

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