In Bolt et aI.
Swift, R S. Micronutrient adsorption by soils and soil colloids. Complexation of metal ions by humic substances: fundamental considerations. In Bolt et al. Questions 1. What does this result tell you about the nature of surface - Si - OHt groups? How is it possible to explain the observation that those minerals that are most reactive in chemisorption of metal cations are also most reactive in chemisorption of anions? Plot the data in the same format as shown in Figure 4.
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Explain in chemical terms why oxyanions that are weak acids tend to adsorb on Al and Fe oxides at a pH that is near their pKa values. In what pH range would monosilicic acid, H4Si04, be expected to adsorb optimally? In high-selenium soils of some arid regions, selenate is a problem pollutant in the drainage water of irrigated fields, while selenite is not. Develop a plausible argument based on chem- ical principles to explain this observation. Fast colloidal and dissolved release of trace elements in a carbonatic soil after experimental flooding.
Reducing conditions, reactive metals, and their interactions can explain spatial patterns of surface soil carbon in a humid tropical forest. Hausrath, Susan L. Basalt weathering in an Arctic Mars-analog site. Icarus , , Journal of Soils and Sediments , 15 , Qiang Yang, Charles W. Culbertson, Martha G. Nielsen, Charles W. Schalk, Carole D.
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Soil Colloids: Properties and Ion Binding
Harris, J. Bonzongo, Fengxiang Han. Ionic strength reduction and flow interruption enhanced colloid-facilitated Hg transport in contaminated soils. King, A. Thompson, C. Hodges, J. Procedia Earth and Planetary Science , 10 , Chadwick, Jon Chorover. Fractionation of yttrium and holmium during basaltic soil weathering. Iron oxidation stimulates organic matter decomposition in humid tropical forest soils.
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Interactions At The Soil Colloid Soil Solution Interface 1st Edition
Ecosystems , DOI: The heavy metal partition in size-fractions of the fine particles in agricultural soils contaminated by waste water and smelter dust. Herrera, N. Large-scale spheroidal redoximorphic features around plinthite nuclei in Orinoco River sediments reflect mean seasonal fluctuation in river stage and ENSO-related anomalies.
Iron-reducing bacteria accumulate ferric oxyhydroxide nanoparticle aggregates that may support planktonic growth.
Interactions at the Soil Colloid: Soil Solution Interface - Google Libros
Xin Du, Andrew W. Rate, M. Mary Gee. Redistribution and mobilization of titanium, zirconium and thorium in an intensely weathered lateritic profile in Western Australia. Asmeret Asefaw Berhe, K. Blake Suttle, Sarah D. Burton, Jillian F. Contingency in the direction and mechanics of soil organic matter responses to increased rainfall. Nanoscale organo-mineral reactions of biochars in ferrosol: an investigation using microscopy.
Vertical migration and distribution of added dissolved iron in Carex lasiocarpa marsh soil. Ecological Engineering , 44 , Asmeret Asefaw Berhe, Jennifer W.
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