Fractionation of soil arsenic compounds

Fractionation of soil arsenic compounds

The schemes for fractionation of soil microelement compounds were analyzed. A scheme of extracting As compounds that are sorbed specifically and nonspecifically and bound with oxides (hydroxides) of Fe, Al, Mn, organic matter, carbonates, and soil minerals is proposed. The scheme differs from the ex...

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Veröffentlicht in:Eurasian soil science 2006-04, Vol.39 (4), p.387-396
Hauptverfasser: Motuzova, G V, Aptikaev, R S, Karpova, E A
Format: Artikel
Sprache:eng
Schlagworte:
Analysis
Arsenic
Arsenic compounds
Carbonates
Ethylenediaminetetraacetic acid
Fractionation
Hydroxides
Organic matter
Soil pollution
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Zusammenfassung:The schemes for fractionation of soil microelement compounds were analyzed. A scheme of extracting As compounds that are sorbed specifically and nonspecifically and bound with oxides (hydroxides) of Fe, Al, Mn, organic matter, carbonates, and soil minerals is proposed. The scheme differs from the existing ones in the higher selectivity of extracting the fractions due to changes in the combination of the extractants and the sequence of their use. DOI: 10.1134/S1064229306040053
ISSN:1064-2293
1556-195X
DOI:10.1134/S1064229306040053