Table of Contents

1 Redox Potential Measurements in Natural Waters: Significance: Concepts and Problems.- 2 Technique of Measurement, Electrode Processes and Electrode Treatment.- 3 Characterisation of the Redox State of Aqueous Systems: Towards a Problem-Oriented Approach.- 4 Comparison of Different Methods for Redox Potential Determination in Natural Waters.- 5 A Novel Approach to the Presentation of p?/pH-Diagrams.- 6 The Couple As(V) — As(III) as a Redox Indicator.- 7 In Situ Long-Term-Measurement of Redox Potential in Redoximorphic Soils.- 8 Redox Measurements as a Qualitative Indicator of Spatial and Temporal Variability of Redox State in a Sandy Forest Soil.- 9 Implementation of Redox Reactions in Groundwater Models.- 10 Variance of the Redox Potential Value in Two Anoxic Groundwater Systems.- 11 Redox Fronts in Aquifer Systems and Parameters Controlling their Dimensions.- 12 Redox Processes Active in Denitrification.- 13 Measurement of Redox Potentials at the Test Site “Insel Hengsen”.- 14 Redox Reactions, Multi-Component Stability Diagrams and Isotopic Investigations in Sulfur- and Iron-Dominated Groundwater Systems.- 15 Redox Buffer Capacity Concept as a Tool for the Assessment of Long-Term Effects in Natural Attenuation / Intrinsic Remediation.- 16 Redox Zones in the Plume of a Previously Operating Gas Plant.- 17 Degradation of Organic Groundwater Contaminants: Redox Processes and EH-Values.- 18 Microbial Metabolism of Iron Species in Freshwater Lake Sediments.- 19 Redox Measurements in Marine Sediments.