Trace Element Speciation in Surface Waters and Its Ecological Implications: Nato Conference Series, cartea 6

1. Trace Element Speciation and the Quality of Surface Waters: An Introduction to the Scope for Research.- Analytical Approaches to the Problem of Trace Element Speciation.- 2. The Current Status of Trace Element Speciation Studies in Natural Waters.- 3. Physical Separation Techniques in Trace Element Speciation Studies.- 4. Voltammetric Studies on Trace Metal Speciation in Natural Waters. Part I: Methods.- 5. Complex Formation in Solution and in Heterogeneous Systems.- 6. Direct Speciation Analysis of Molecular and Ionic Organometals.- Trace Element Species and General Aspects of Their Interactions with Aquatic Life.- 7. Bioavailability, Trace Element Associations With Colloids and an Emerging Interest in Colloidal Organic Fibrils.- 8. Biological Effects Under Laboratory Conditions.- 9. Feasibilities and Limits of Field Experiments to Study Ecological Implications of Heavy Metal Pollution.- 10. Biological Response to Trace Metals and Their Biochemical Effects.- 11. Biological Aspects of Trace Element Speciation in the Aquatic Environment.- 12. Biological Control of Trace Metal Equilibria in Surface Waters.- New Perspectives and Future Actions.- 13. Voltammetric Studies on Trace Metal Speciation in Natural Waters Part II: Application and Conclusions for Chemical Oceanography and Chemical Limnology.- 14. Neutron Activation Analysis Applied to Speciate Trace Elements in Freshwater.- 15. Trace Element Speciation in Surface Waters: Interactions with Particulate Matter.- 16. Is Analytically-Defined Chemical Speciation the Answer We Need to Understand Trace Element Transfer Along A Trophic Chain?.- 17. Laboratory and Field Approaches to Environmental Effects Monitoring with Emphasis on Some Microbial-Heavy Metal Relations.