Anthropogenic dispersion of platinum in aquatic systems

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Table of contents

Chapter 1: Scientific context
1.1. The platinum element
1.1.1. Physical and chemical properties of platinum
1.1.2. Platinum mineralogy and deposits: natural sources
1.1.3. Technical uses of platinum and anthropogenic sources
1.2 Platinum dispersion and behavior in aquatic environments
1.2.1. Anthropogenic dispersion of platinum in aquatic systems
1.2.2. Platinum geochemical behavior in aquatic systems: river, estuary, coastal systems open oceans
1.3. Platinum bioavailability and bioconcentration in aquatic organisms
1.3.1. Field studies on aquatic organisms
1.3.2. Laboratory studies on Pt uptake and biological response in aquatic organisms
Chapter 2: Material and methods
2.1. Introduction
2.2. Study area and sampling strategy
2.3.1. Sediment cores from the Lot River
2.3.2. Biomonitoring samples and field campaign in the Gironde Estuary
2.3.3. Field campaigns in the Arcachon Bay
2.3.4. Biomonitoring samples from the northwestern Mediterranean Coast
2.3.5. Sampling from two highly anthropogenically impacted coastal sites: the Genoa Harbor and the Toulon Bay
2.3.6. Laboratory exposure experiment – experimental design
2.4. Analytical procedures for platinum determination in environmental and experimental samples
2.4.1. Analytical techniques
2.4.2. Determination of dissolved platinum in seawater
2.4.3. Determination of particulate platinum in sediment and in suspended particulate matter
2.4.3.1. Sediment cores – AdCSV
2.4.3.3. Suspended Particulate Matter – ICP-MS
2.4.4. Determination of platinum in wild living biota
2.4.5. Application of isotopically-labelled platinum in exposure experiments
2.5. Conclusion
Chapter 3: Platinum accumulation and physiological response in oyster Crassostrea gigas
3.1. Introduction
3.2. Tracing platinum accumulation kinetics in oyster Crassostrea gigas, a sentinel species in coastal marine environments
3.3. Organotropism and biomarker response in oyster Crassostrea gigas exposed to platinum in seawater
3.4. Conclusion
Chapter 4: Temporal and spatial aspects of biogeochemical platinum cycles in coastal environments
4.1. Introduction
4.2. Past and present platinum contamination of a major European fluvial–estuarine system: Insights from river sediments and estuarine oysters
4.3. Platinum in sediments and mussels from the northwestern Mediterranean coast: temporal and spatial aspects
4.4. Spatial variability and sources of platinum in the Genoa Harbor – from geochemical background to urban levels
4.5. Short-term variations in platinum partitioning in contrasting European coastal environments: the role of primary production and local point sources
4.6. Conclusion
Chapter 5: General conclusions and perspectives