Competitive sorption of copper, nickel, and zinc by an oxisol
Competitive sorption of copper, nickel, and zinc by an oxisol
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DOI：
10.1080/00103629709369843
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发表时间：
1997-01-01
影响因子：
1.8
通讯作者：
Bibak, A
中科院分区：
文献类型：
--
作者：
Bibak, A
采用Sheindrof-Rebhun-Sheituch（SRS）方程研究了Oxisol悬浮液中铜（Cu）、镍（Ni）和锌（Zn）的竞争吸附。实验数据获得了一个系统，包含这些阳离子作为单一组分，二元和三元混合物。相关的竞争系数alpha（ij）可以被视为量化竞争相互作用的一种方式。竞争系数表明，Cu的存在显著抑制了土壤对Ni和Zn的吸附，而在相反的情况下，抑制作用较弱。在SRS方程中代入α（ij）值后，将该方程预测的三元溶质混合物Cu-Ni-Zn的吸附值与实验测定的值进行比较。SRS方程模拟吸附成功的溶质浓度范围内使用。
The competitive sorption of copper (Cu), nickel (Ni), and zinc (Zn) in an Oxisol suspension was investigated using the Sheindrof-Rebhun-Sheituch (SRS) equation. Experimental data were obtained for a system containing these cations as single components, binary, and ternary mixtures. The associated competitive coefficients alpha(ij) can be viewed as a way to quantify competitive interaction. The competition coefficients obtained for the cations indicated that the sorption of Ni and Zn by the soil was significantly inhibited by the presence of Cu, while the inhibition exerted in the reverse situation was milder. After alpha(ij)-values were substituted in the SRS equation, the sorption values predicated by this equation for the ternary solute mixture Cu-Ni-Zn, were compared to values determined experimentally. The SRS equation modeled sorption successfully for the range of solute concentrations used.