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Statements

Subject Item
n2:RIV%2F60460709%3A_____%2F03%3A00005856%21RIV%2F2004%2FMZE%2F410004%2FN
rdf:type
n15:Vysledek skos:Concept
dcterms:description
Labile Al forms and species can be a threat in acid soils due to their potential toxicity to plants. However, there is no universally accepted extraction method. Several extraction reagents for Al release from soil have been tested. KCl (0.5 or 1 M) is r ecommended for extraction of exchangeable Al, while 0.5 or 0.3 M CuCl2 is suggested for extraction of `weakly organically bound Al'. Both 0.1 and 0.05 M Na4P2O7 are shown to be suitable for the extraction of `total organically bound Al'. These extraction s are relatively simple, robust, and applicable to different soils and soil horizons. In the second part of the paper, detailed speciation of exchangeable soil Al by means of an HPLC instrument equipped with an ion column (IC) is presented. An experiment al set-up is described and tested on a set of samples. Interpretation of the speciation results is proposed, based on the separation of Al ions and Al complexes according to their charge. Speciation is shown to be dependent mainly on soil pH and organ Labile Al forms and species can be a threat in acid soils due to their potential toxicity to plants. However, there is no universally accepted extraction method. Several extraction reagents for Al release from soil have been tested. KCl (0.5 or 1 M) is r ecommended for extraction of exchangeable Al, while 0.5 or 0.3 M CuCl2 is suggested for extraction of `weakly organically bound Al'. Both 0.1 and 0.05 M Na4P2O7 are shown to be suitable for the extraction of `total organically bound Al'. These extraction s are relatively simple, robust, and applicable to different soils and soil horizons. In the second part of the paper, detailed speciation of exchangeable soil Al by means of an HPLC instrument equipped with an ion column (IC) is presented. An experiment al set-up is described and tested on a set of samples. Interpretation of the speciation results is proposed, based on the separation of Al ions and Al complexes according to their charge. Speciation is shown to be dependent mainly on soil pH and organ
dcterms:title
Possible method of aluminium speciation in forest soils Possible method of aluminium speciation in forest soils
skos:prefLabel
Possible method of aluminium speciation in forest soils Possible method of aluminium speciation in forest soils
skos:notation
RIV/60460709:_____/03:00005856!RIV/2004/MZE/410004/N
n3:strany
8-15
n3:aktivita
n10:P
n3:aktivity
P(QC1250)
n3:cisloPeriodika
97
n3:dodaniDat
n8:2004
n3:domaciTvurceVysledku
n14:2123142 n14:3953890
n3:druhVysledku
n12:J
n3:duvernostUdaju
n13:S
n3:entitaPredkladatele
n9:predkladatel
n3:idSjednocenehoVysledku
621908
n3:idVysledku
RIV/60460709:_____/03:00005856
n3:jazykVysledku
n7:eng
n3:klicovaSlova
Aluminium speciation;Soil acidification; Extraction;High performance liquid chromatography;forest soils
n3:klicoveSlovo
n4:High%20performance%20liquid%20chromatography n4:Soil%20acidification n4:forest%20soils n4:Extraction n4:Aluminium%20speciation
n3:kodStatuVydavatele
NL - Nizozemsko
n3:kontrolniKodProRIV
[CFEDE9CAD639]
n3:nazevZdroje
Journal of Inorganic Biochemistry
n3:obor
n6:DF
n3:pocetDomacichTvurcuVysledku
2
n3:pocetTvurcuVysledku
4
n3:pocetUcastnikuAkce
0
n3:pocetZahranicnichUcastnikuAkce
0
n3:projekt
n17:QC1250
n3:rokUplatneniVysledku
n8:2003
n3:svazekPeriodika
1
n3:tvurceVysledku
Mládková, L. Borůvka, Luboš Drábek, Ondřej Kočárek, M.
s:issn
0162-0134
s:numberOfPages
8