Studies of the effectiveness of Cu2plus, Co2plus and Cr3plus desorption with Kplus in grey-brown podzolic soils

• Autorzy: Paszko T , Gaszczyk R. , Muszynski P.
• Języki publikacji: EN

Abstrakty

EN

Model studies were carried out using the three-component CuCl2, CoCl2 and CrCl3 solution in two greybrown podzolic soils. After saturation of soil with the three-component solution and elution with water, desorption was carried out with the 0.1 mol dm-3 KCl solution. For comparison, desorption with the NH4Cl, CaCl2 and MgCl2 solutions was also conducted. Desorption of Cu2+ with K+ was in both soils similar to that of NH4 + and Mg2+ but smaller in comparison with Ca2+. In the case of Co2+ desorption with the studied exchangeable cations was not differentiated. Desorption of Cr3+ with K+ and NH4 + was greater than with Ca2+ and Mg2+. The differences in desorption efficiency can be explained based on the theory of hard and soft acids and bases (HSAB).

Słowa kluczowe

EN

competitive sorption; soil; podzolic soil; heavy metal

• Wydawca: -
• Czasopismo: Polish Journal of Environmental Studies
• Rocznik: 2004
• Tom: 13
• Numer: 2
• Opis fizyczny: p.171-175,fig.,ref.

Twórcy

autor

Paszko T

• Agricultural University, Akademicka 15, 20-950 Lublin, Poland

autor

Gaszczyk R.

autor

Muszynski P.

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