Autore	Gill Robin <1944->
Edizione	[Third edition.]
Pubbl/distr/stampa	Chichester, West Sussex : , : John Wiley & Sons, Inc., , 2015
Descrizione fisica	1 online resource (288 pages) : illustrations (some color)
Disciplina	540.24/553
Collana	Wiley desktop editions
Soggetto topico	Chemistry Environmental geochemistry Geochemistry Geology
ISBN	9781118957936 1118957938
Classificazione	450.13 540.24/553
Formato	Materiale a stampa
Livello bibliografico	Monografia
Lingua di pubblicazione	eng
Nota di contenuto	Energy in geochemical processes -- Equilibrium in geological systems -- Kinetics of earth processes -- Aqueous solutions and the hydrosphere -- Electrons in atoms -- What we can learn from the periodic table -- Chemical bonding and the properties of minerals -- Silicate crystals and melts -- Some geologically important elements -- What can we learn from isotopes? -- The elements in the universe.
Record Nr.	UNINA-9910796085603321

Edizione	[1st ed.]
Pubbl/distr/stampa	Amsterdam ; ; Boston, : Elsevier, 2007
Descrizione fisica	1 online resource (779 p.)
Disciplina	577.27
Altri autori (Persone)	SarkarDibyendu DattaRupali HanniganRobyn
Collana	Developments in environmental science
Soggetto topico	Environmental geochemistry Geochemistry
Soggetto genere / forma	Electronic books.
ISBN	1-281-01870-8 9786611018702 0-08-054973-X
Formato	Materiale a stampa
Livello bibliografico	Monografia
Lingua di pubblicazione	eng
Nota di contenuto	Front cover; Concepts and Applications in Environmental Geochemistry; Copyright page; Contents; List of Contributors; Introduction to the Book Series; Chapter 1. What goes around comes around: Today's environmental geochemistry; 1.1. Introduction; References; Section I: Today's Environmental Geochemistry-A Review of New Concepts and Innovative Practices; Chapter 2. Modification of Goldschmidt's geochemical classification of the elements to include arsenic, mercury, and lead as biophile elements; 2.1. Introduction 2.2. Environmental geochemistry and anthropogenic dispersion of arsenic, lead, and mercury 2.3. Conclusion; Acknowledgements; References; Chapter 3. Metal ions speciation in the environment: Distribution, toxicities and analyses; 3.1. Introduction; 3.2. Distribution; 3.3. Toxicities; 3.4. Analyses; 3.5. Conclusion; References; Chapter 4. International practice in high-level nuclear waste management; 4.1. Introduction; 4.2. Definition and classification; 4.3. Scope of the problem; 4.4. Management of high-level nuclear waste; 4.5. HLW disposal in various countries; 4.6. Summary and conclusions Acknowledgments References; Chapter 5. Phytoremediation of some heavy metals by agronomic crops; 5.1. Introduction; 5.2. Phytoextraction; 5.3. Rhizofiltration; 5.4. Phytostabilization; 5.5. Phytovolatilization; 5.6. Phytomining; 5.7. Conclusion; References; Chapter 6. Environmental geochemistry of trace metal pollution in urban watersheds; 6.1. Introduction and Background; 6.2. Sources and sinks of trace metals in the urban environment; 6.3. Methodological considerations; 6.4. Hydrological and geochemical processes; 6.5. Summary of metal pollution trends; 6.6. Concluding statement; References Section II: Geochemistry in Surface- and Groundwater Research Chapter 7. Geochemical cycling of trace and rare earth elements in Lake Tanganyika and its major tributaries; 7.1. Introduction; 7.2. Hydrogeological setting; 7.3. Materials and methods; 7.4. Results; 7.5. Discussion; 7.6. Conclusions; Acknowledgements; References; Chapter 8. Baseline water chemistry, nitrate concentrations, and aquifer sensitivity of glacial sequences in LaGrange County, Indiana; 8.1. Background; 5.2. Aquifers; 8.3. Site selection; 8.4. Groundwater chemistry; 8.5. Conclusions and recommendations; Acknowledgments References Chapter 9. Agriculture-induced contamination of surface water and groundwater in Portugal; 9.1. Agriculture, water quality and ecodevelopment; 9.2. Nitrate pollution; 9.3. Pesticides contamination and pollution; 9.4. Phenolic compounds in two dams of Alentejo region (south Portugal); 9.5. Good agricultural practice for the protection of water resources; References; Chapter 10. Provenance and geochemistry of sediments in arsenic-affected areas of gangetic West Bengal, India; 10.1. Introduction; 10.2. Regional setting of the study area; 10.3. Materials and methods 10.4. Results and discussion
Record Nr.	UNINA-9910458567503321

Autore	Ryan Peter <1966->
Pubbl/distr/stampa	Chichester, West Sussex ; ; Hoboken, NJ : , : John Wiley & Sons Inc., , 2014
Descrizione fisica	1 online resource (426 p.)
Disciplina	551.9
Soggetto topico	Environmental geochemistry
Soggetto genere / forma	Electronic books.
ISBN	1-118-86749-1 1-118-86735-1 1-118-86750-5
Formato	Materiale a stampa
Livello bibliografico	Monografia
Lingua di pubblicazione	eng
Nota di contenuto	Environmental and Low Temperature Geochemistry; Copyright; Contents; Acknowledgements; About the Companion Website; 1 Background and Basic Chemical Principles: Elements,Ions,Bonding,Reactions; 1.1 An Overview of Environmental Geochemistry - History, Scope, Questions, Approaches, Challenges for the Future; 1.2 The Naturally Occurring Elements - Origins and Abundances; 1.3 Atoms and Isotopes: A Brief Review; 1.4 Measuring Concentrations; 1.4.1 Mass-based concentrations; 1.4.2 Molar concentrations; 1.4.3 Concentrations of gases 1.4.4 Notes on precision and accuracy, significant figures and scientific notation 1.5 Periodic Table; 1.6 Ions, Molecules, Valence, Bonding, Chemical Reactions; 1.6.1 Ionic bond strength; 1.6.2 Covalent bonds; 1.6.3 Electronegativity; 1.6.4 Metallic bonds, hydrogen bonds and van der Waals forces; 1.7 Acid-Base Equilibria, PH, K Values; 1.8 Fundamentals of Redox Chemistry and Chemical Reactions; 1.9 Chemical Reactions; 1.10 Equilibrium, Thermodynamics and Driving Forces for Reactions: Systems, Gibbs Energies, Enthalpy And Heat Capacity, Entropy, Volume 1.10.1 Systems, species, phases and components 1.10.2 First law of thermodynamics; 1.10.3 Second law of thermodynamics; 1.10.4 Enthalpy; 1.10.5 Heat capacity; 1.10.6 Gibbs free energy; 1.10.7 Gibbs free energy and the equilibrium constant; 1.11 Kinetics and Reaction Rates: Distance From Equilibrium, Activation Energy, Metastability; 1.11.1 Reaction rate, reaction order; 1.11.2 Temperature and the Arrhenius equation; Review Questions; References; 2 Surficial and Environmental Mineralogy; 2.1 Introduction to Minerals and Unit Cells; 2.2 Ion Coordination, Pauling ́s Rules and Ionic Substitution 2.2.1 Coordination and radius ratio 2.2.2 Bond-strength considerations; 2.2.3 Pauling ́s and Goldschmidt ́s rules of ionic solids; 2.3 Silicates; 2.3.1 Nesosilicates; 2.3.2 Inosilicates; 2.3.3 Phyllosilicates; 2.3.4 Tectosilicates; 2.4 Clay Minerals (T-O Minerals, T-O-T Minerals, Interstratified Clays); 2.4.1 Smectite; 2.4.2 Smectites with tetrahedrally derived layer charge; 2.4.3 Smectites with octahedrally derived layer charge; 2.4.4 Vermiculite; 2.4.5 Illite; 2.4.6 Chlorite and Berthierine; 2.4.7 Kaolin (kaolinite and halloysite); 2.4.8 Interstratified clay minerals 2.4.9 Trace metals and metalloids in clay minerals 2.5 Crystal Chemistry of adsorption and Cation Exchange; 2.5.1 Cation exchange; 2.5.2 Double-layer complexes; 2.6 Low-Temperature Non-Silicate Minerals: Carbonates, Oxides and Hydroxides, Sulfides, Sulfates, Salts; 2.6.1 Carbonates; 2.6.2 Oxides and hydroxides; 2.6.3 Sulfides and sulfates; 2.6.4 Halide and nitrate salts; 2.7 Mineral Growth and Dissolution; 2.8 Biomineralization; Review Questions; References; 3 Organic Compounds in the Environment 3.1 Introduction to Organic Chemistry: Chains and Rings, Single, Double, and Triple Bonds, Functional Groups, Classes of Organic Compounds, Organic Nomenclature
Record Nr.	UNINA-9910453417203321

Autore	Eppinger R. G.
Pubbl/distr/stampa	[Reston, Virginia] : , : U.S. Department of the Interior, U.S. Geological Survey, , [2000]
Descrizione fisica	1 online resource (iv, 41 pages) : illustrations (some color), maps
Collana	U.S. Geological Survey professional paper
Soggetto topico	Environmental geochemistry - Alaska - Wrangell-Saint Elias National Park and Preserve Ore deposits - Alaska - Wrangell-Saint Elias National Park and Preserve Environmental geochemistry Ore deposits
Formato	Materiale a stampa
Livello bibliografico	Monografia
Lingua di pubblicazione	eng
Altri titoli varianti	Environmental geochemical studies, Wrangell-St. Elias, Alaska
Record Nr.	UNINA-9910706866503321

Autore	DeVivo Benedetto
Edizione	[2nd ed.]
Pubbl/distr/stampa	San Diego : , : Elsevier, , 2017
Descrizione fisica	1 online resource (646 pages)
Disciplina	551.9
Altri autori (Persone)	BelkinH. E LimaAnnamaria
Soggetto topico	Environmental geochemistry
ISBN	0-444-63763-X
Formato	Materiale a stampa
Livello bibliografico	Monografia
Lingua di pubblicazione	eng
Nota di contenuto	Front Cover -- Environmental Geochemistry: Site Characterization, Data Analysis and Case Histories -- Copyright -- Contents -- Contributors -- Preface -- Acknowledgments -- Chapter 1: Field Methods in Regional Geochemical Surveys -- 1. Introduction -- 2. Sampling Media -- 3. Sampling Density -- 4. Sampling Network -- 5. Quality Assurance in Sampling -- 6. Sampling Procedures -- 6.1. General Aspects of the Fieldwork -- 6.2. Stream Waters -- 6.3. Sediments -- 6.4. Soils -- 7. Documentation of the Field Data -- 8. Photographing -- 9. Sample Archive -- References -- Chapter 2: Sampling Methods for Site Characterization -- 1. Introduction -- 1.1. Exploratory Sampling -- 1.2. Monitoring -- 1.3. Presence/Absence Sampling -- 2. Site Characterization -- 2.1. Initial Site Assessment -- 3. Basic Sampling Types -- 3.1. Random Sampling -- 3.2. Stratified Random Sampling -- 3.3. Systematic Sampling (Grid) -- 3.4. Judgmental Sampling -- 4. Some Further Sampling Considerations -- 4.1. Depth Sampling -- 4.2. Types of Samples -- 4.3. Number of Samples -- 4.4. Composite Sampling -- 4.5. Statistical Considerations -- 4.6. Sampling Bias -- 4.7. Control (Background) Samples -- 4.8. Sampling Tools -- 4.9. Field Measurement -- 4.10. Sample Handling -- 4.11. Documenting Sampling -- References -- Chapter 3: Contaminated Groundwater Sampling and Quality Control of Water Analyses -- 1. Introduction -- 2. Groundwater Sampling Objectives -- 2.1. Planning and Preparation -- 3. Choosing the Right Portable Sampling Devices -- 3.1. Grab Samplers -- 3.2. Passive Diffusion Bag Sampler -- 3.3. SnapSampler -- 3.4. HydraSleeve -- 3.5. Inertial Pumps -- 3.6. Peristaltic Pumps -- 3.7. Gas-Operated Bladder Pumps -- 3.8. Electric Submersible Pumps -- 3.9. Common Materials Used in Sampling Devices -- 4. Avoiding Cross-Contamination -- 5. Water-Level Measurements. 6. Well Purging Techniques -- 6.1. Specified Number of Well Volumes -- 6.2. Low-Flow Purging -- 6.3. "No Purge" Sampling -- 6.4. Dedicated Pump Versus Portable Sample Collection -- 7. On-Site Water-Quality Measurements -- 7.1. Temperature -- 7.2. pH -- 7.3. Specific Electrical Conductance -- 7.4. Alkalinity -- 7.5. Dissolved Oxygen -- 7.6. Oxidation-Reduction Potential -- 8. Preservation and Handling of Samples -- 8.1. Filtration -- 8.2. Addition of Preservatives -- 8.3. Solvent Extraction -- 8.4. Cooling or Freezing -- 8.5. Sample Containers -- 9. Quality Assurance and Quality Control Procedures -- 9.1. Blank Samples -- 9.2. Laboratory Blanks -- 9.3. Field Blanks -- 9.4. Replicate Samples -- 9.5. Spiked Samples -- 9.6. Labeling -- 9.7. Transport -- 9.8. Laboratory Reception -- 9.9. Chain of Custody -- 10. Data Validation -- 10.1. Comparison of Field and Laboratory Values -- 10.2. Comparison With Other Samples From the Same Source -- 10.3. Comparison With Other Samples From the Area -- 10.4. Comparison of SEC and TDS -- 10.5. Evaluation of Charge Balance Errors -- 10.6. Comparison of Measured and Calculated TDS (or Measured and Calculated SEC) -- 10.7. Apparent Anomalies and Impossibilities -- 11. Health and Safety in Fieldwork -- References -- Chapter 4: The Collection of Drainage Samples for Environmental Analyses From Active Stream Channels -- 1. Introduction -- 2. Drainage Basins -- 3. Drainage Sampling -- 4. Sampling Strategy -- 5. Procedures -- 5.1. Generic Sampling Considerations -- 5.1.1. Reliability of Sampling Teams -- 5.1.2. Avoiding Contamination -- 5.2. Sampling Team and Responsibilities -- 5.3. Field Sampling Equipment -- 5.4. Sampling Procedures -- 5.5. Site Selection -- 5.6. Collecting a Stream Water -- 5.7. Collecting Stream Sediment -- 5.8. Collecting Panned Concentrate -- 5.9. Completion of Sampling. 5.10. Collecting Duplicate Samples -- 5.11. Dry Sites -- 5.12. Control Samples -- 5.13. Health and Safety -- 6. Discussion -- 6.1. Sampling Equipment -- 6.2. Representative Nature of Drainage Sediments -- 6.3. Other Drainage Site Media -- 7. Conclusions -- Acknowledgments -- References -- Chapter 5: Data Conditioning of Environmental Geochemical Data: Quality Control Procedures Used in the British Geological ... -- 1. Introduction -- 2. Planning Quality Control-Quality Assurance -- 2.1. Appropriate and Well-Documented Procedures -- 2.2. Sample Numbering -- 2.3. Control Samples -- 3. Raw Data Checking -- 3.1. Data Checking -- 3.2. Dealing with Missing, Semiquantitative and Unreliable Data -- 4. Statistical Analyses and Plotting of Control Sample Data -- 4.1. Control Charts -- 4.2. Duplicate-Replicate Plots -- 4.3. Hierarchical Analysis of Variance -- 5. Leveling Data -- 5.1. Between Batch and Between Field Campaign Data Leveling -- 5.2. Leveling Data With Differing Lower Limits of Detection -- 5.3. Leveling Data Determined by Different Analytical Method -- 6. Discussion -- Acknowledgments -- References -- Chapter 6: Gas Chromatographic Methods of Chemical Analysis of Organics and Their Quality Control -- 1. Introduction -- 2. Sample Preparation-Aqueous Samples -- 2.1. Purge and Trap -- 2.2. Headspace -- 2.3. Liquid/Liquid Extraction -- 2.4. Solid Phase Extraction -- 2.5. Solid Phase Microextraction -- 3. Sample Preparation-Soil Samples -- 3.1. Purge and Trap -- 3.2. Soxhlet Extraction -- 3.3. Shaker Table -- 3.4. Ultrasonic Probe -- 3.5. Accelerated Solvent Extraction -- 4. Clean-Up Techniques -- 4.1. Adsorption "Clean-Up" Columns -- 4.2. Size-Exclusion Columns -- 4.3. Lipid Destruction -- 4.4. Sulfur Removal -- 4.5. Evaporation Steps -- 5. Instrumental Analysis -- 5.1. Flame Ionization Detector -- 5.2. Electron Capture Detector. 5.3. Nitrogen/Phosphorus Detector -- 5.4. Photo Ionization Detector -- 5.5. Mass Spectrometry -- 5.6. High-Resolution Mass Spectrometry -- 6. Data Analysis -- 6.1. External Standard Calculations -- 6.2. Internal Standard Calculations -- 6.3. Isotope Dilution Calculations -- 7. Quality Control -- 7.1. Internal QC -- 7.2. Method Blanks -- 7.3. Method Spikes (Laboratory Control Samples) -- 7.4. Matrix Spikes and Matrix Spike Duplicates -- 7.5. Surrogates -- 7.6. Duplicates -- 7.7. Reference Materials -- 7.8. External Laboratory QC -- References -- Chapter 7: Evaluation of Geochemical Background at Regional and Local Scales by Fractal Filtering Technique: Case Studies ... -- 1. Introduction -- 2. Multifractal Interpolation and Fractal Concentration-Area (C-A) Method -- 3. Background/Baseline Geochemical Map Obtained by Fractal Filtering (S-A) method -- 4. Pb and U Background Values for Campania Region Stream Sediments -- 5. Pb Background Values for the Volcanic Soils of the Metropolitan and Provincial Areas of Napoli -- 6. Conclusions -- Acknowledgments -- References -- Chapter 8: Geochemical Mapping of Urban Areas -- 1. Introduction -- 2. Definition of Geochemical Background and Baseline at an Urban Scale -- 3. Planning Urban Geochemical Mapping -- 4. Sampling Protocols and Field Activities -- 5. Sample Preparation and Analyses -- 6. Geochemical Data Presentation -- 6.1. GIS-Aided Techniques for Urban Geochemical Data Presentation -- 6.2. Dot Maps -- 6.3. Interpolation -- 6.4. Background and Baseline Maps -- 6.5. Multivariate Analysis and Scores Mapping -- 6.6. Risk Mapping -- Acknowledgments -- References -- Chapter 9: Chemical Speciation to Assess Bioavailability, Bioaccessibility and Geochemical Forms of Potentially Toxic Met ... -- 1. Introduction -- 2. PTMs Forms in Soil and Bioavailability. 3. The Need of Speciation and Speciation Methods of PTMs in Soil -- 4. Plant Bioavailability -- 4.1. Metals in Soil Solution -- 4.2. Single Chemical Methods to Assess Phytoavailable Metals in Soil -- 4.2.1. Soil Extraction of Readily Soluble PTMs With 1M NH4NO3 -- 4.3. Contrasting Aspects in the Use of Single Chemical Methods to Define Plant-Available PTMs -- 5. Human Bioavailability and Bioaccessibility -- 6. PTM Partitioning Between Soil Geochemical Phases -- 6.1. Sequential Chemical Extractions -- 6.2. The BCR Sequential Extractions -- 6.3. Problems and Options of Sequential Extractions -- 7. Applications of PTM Speciation for Risk and Remediation Assessment -- 8. Concluding Remarks -- References -- Chapter 10: Extraction and Characterization of Pore Water in Contaminated Soils -- 1. Introduction -- 1.1. Soil Pore Water and the Concept of (Bio)availability -- 1.1.1. Soil Pore Water Definition -- 1.1.2. Bioavailability and Soil Pore Water Sampling -- 2. Methods for Sampling Soil Pore Water -- 2.1. Field-Based Methods -- 2.1.1. Tension Samplers -- 2.1.2. Passive Samplers -- 2.2. Laboratory-Based Methods -- 3. Description and Discussion of Selected Methods -- 3.1. Rhizon Soil Moisture Samplers -- 3.1.1. Materials -- 3.1.2. Theoretical Basis of Method -- 3.1.3. Zone of Influence -- 3.1.4. Uses and Limitations for Soil Pore Water Extractions -- 3.2. Passive Diffusion Samplers-Microdialysis Probes -- 3.2.1. Materials -- 3.2.2. Theoretical Basis of Method -- 3.2.3. Uses and Limitations for Soil Pore Water Extractions -- 3.3. Centrifugation -- 3.3.1. Materials -- 3.3.2. Theoretical Basis of Method -- 3.3.3. Pore Water Extraction -- 3.3.4. Uses and Limitations for Soil Pore Water Extractions -- 3.4. Pressure Filtering (Squeezing) -- 3.4.1. Materials -- 3.4.2. Theoretical Basis of Method -- 3.4.3. Pore Water Extraction -- 3.4.4. Extraction Efficiency. 3.4.5. Uses and Limitations for Soil Pore Water Extractions.
Record Nr.	UNINA-9910583379503321