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Article: Silver ion desorption kinetics from iron oxides and soil organic matter: effect of adsorption period.
- Article from:
- Australian Journal of Soil Research
- Article date:
- January 1, 2004
- Author:
CopyrightCOPYRIGHT 2004 CSIRO Publishing. This material is published under license from the publisher through the Gale Group, Farmington Hills, Michigan. All inquiries regarding rights should be directed to the Gale Group. (Hide copyright information)
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Introduction
The mobility and the bioavailability, and so the potential toxicity, of a trace metal ion in soils depends on its concentration in soil solution, and the releasing or binding of a metal ion by soil particles. Previous studies (Dyck 1968; Chao and Anderson 1974; Sikora and Stevenson 1988) have demonstrated that iron and manganese oxides and soil organic matter have substantial capacities to sorb silver ions from solution. It is generally accepted that the fate of heavy metals in soils is mostly controlled by adsorption-desorption reactions of metal ions with soils at the surface of soil colloids (Swift and McLaren 1991). It is often found that ...
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Article: HUMIC ACID LOOKING UP COOPERATION
AsiaInfo Services;
December 19, 1997 ;
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...AsiaInfo Services 12-19-1997 Humic Acid Looking up Cooperation HEILONGJIANG, December ... and processed materials of the products are the humic acid. The natural resources of the humic acid abound in Qitaihe city, only next to Xinjiang ...
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