Sparks, Donald L. - Department of Plant and Soil Sciences, University of Delaware

• TSNo s02-nachtegaal193236-O Kinetics and Mechanisms of Nickel Sorption to a Goethite-Coated Kaolinite
• MOLECULAR MODELING STUDY OF SULFATE AND PHOSPHATE ADSORPTION AT THE MINERAL-WATER INTERFACE
• A WHAM-based Kinetics Model for Zn Adsorption and Desorption to
• Sodium-Copper Exchange on Wyoming Montmorillonite in Chloride, Perchlorate, Nitrate, and Sulfate Solutions
• Kinetics of Adsorption of Selenate and Selonite at the Goethite/Water InterfAce. p.e. ZHANG* and D.L. SPARKS.
• 14MIB*ft* * * Kyoto Japan
• Kinetics and Mechanisms of Pb(II) Sorption and Desorption at the
• PII S0016-7037(01)00595-6 Spectroscopic studies of Pb(II)-sulfate interactions at the goethite-water interface
• Surface complex structures modelled with quantum chemical calculations: carbonate, phosphate,
• Comunicaciones mensulles del Instituto Intet'f\llCional de Ia POllIU. Berna (Suiza) Clenci. d.lsuelo
• Structural Study of Poorly Crystalline Layered Manganese Oxides Using the Atomic Pair Distribution Function Technique. Tuesday, November 3, 2009: 11:15 AM
• Journal of Colloid and Interface Science 270 (2004) 6676 www.elsevier.com/locate/jcis
• Applied Clay Science, 1 (1985) 89--101 89 Elsevier Science Publishers B.V., Amsterdam --Printed in The Netherlands
• Quantification of rapid environmental redox processes with quick-scanning x-ray absorption
• Start | Author Index 742-1 Methylarsenate Sorption to Aluminum Oxide.
• Advances in the Characterization of Phosphorus in Organic Wastes. (S11-toor687116-oral)
• DIVISION S-2-SOIL CHEMISTRY Acetonitrile and Acrylonitrile Sorption on Montmorillonite from Binary
• Evaluating Environmental Influences Oxidation Kinetics by a
• DIVISION S-2--SOIL CHEMISTRY Cation-Exchange Kinetics on Montmorillonite
• Clays and Clay Minerals. Vol. 40. No.3, 355-358, 1992. THE EFFECT OF CLAY DISPERSION ON THE SORPTION OF
• Exploring Frontiers in Kinetics and Mechanisms of Geochemical Processes at the Mineral/Water Interface
• Environ. Sci. Technol. l W 4 , 28, 290-297 Mechanisms of Chromium(I II) Sorption on Silica. 2. Effect of Reaction
• ID 21_McNear Author McNear, D.H.; Tappero, R.; Sparks, D.L.
• TSNo s02-arai134604-O In Situ Spectroscopic Investigation on Arsenate Surface Speciation at the Hematite-Water Interface.
• Assessing nickel bioavailability in smelter-contaminated soils Jeffrey L. Everhart a,, David McNear Jr. a
• Effects of Ion Adsorption on Charge Properties of Birnessite. (S02-kirk174607-Oral)
• I N S I D E Students enjoy sweetest
• Speciation of Metals in Soils DARRYL ROBERTS, Waterand Earth ScienceAssociates, Limited, Ottawa, Ontario,
• TSNo s02-peak104427-P Direct Determination of Phosphate Species in Alum-Amended Poultry Litter.
• Frontiers in Contaminant Speciation and Reactivity in Terrestrial Environments: The Role of Synchrotron Radiation
• Root-induced Changes in Metal Speciation in the Rhizosphere and
• American Mineralogist, Volume 86, pages 139146, 2001 0003-004X/01/0102139$05.00 139
• Arsenite Oxidation by a Poorly Crystalline Manganese-Oxide 1.
• Arsenite Oxidation by a Poorly Crystalline Manganese-Oxide. 2.
• Supporting information for Kinetics of Chromium(III) Oxidation by Manganese(IV) Oxides Using Quick Scanning X-Ray Absorption Fine Structure Spectroscopy (Q-XAFS)
• Kinetics of Chromium(III) Oxidation by Manganese(IV) Oxides Using
• Published: April 22, 2011 r 2011 American Chemical Society 4249 dx.doi.org/10.1021/es103971y |Environ. Sci. Technol. 2011, 45, 42494255
• The hyperaccumulator Alyssum murale uses complexation with nitrogen and oxygen donor ligands for Ni transport and storage
• 1778 DOI: 10.1021/la103826p Langmuir 2011, 27(5), 17781787Published on Web 01/14/2011 pubs.acs.org/Langmuir
• Published: April 13, 2011 r 2011 American Chemical Society 4300 dx.doi.org/10.1021/es103577e |Environ. Sci. Technol. 2011, 45, 43004306
• Ni(II) Sorption on Biogenic Mn-Oxides with Varying Mn
• COLL Sunday, March 21, 2010 41 -Real-time characterization of heterogeneous As(III) oxidation by hydrous
• 2010 AGU Fall Meeting You may print by clicking on this Print button. To return to the previous page, close this
• 2010 19th World Congress of Soil Science, Soil Solutions for a Changing World
• Start | View At a Glance | Author Index 100-20 Use of Extended X-Ray Absorption Fine Structure Spectroscopy (EXAFS) to Differentiate the Continuum Between
• Distribution, Speciation, and Elemental Associations of Soil Organic Carbon under Varying Landscape Topographic Positions at the Molecular Scale
• Start | View At a Glance | Author Index 100-22 Molecular Scale Assessment of C Functional Group Distribution of Soil Humic Substances Under Varying Land Use and
• 2010 AGU Fall Meeting You may print by clicking on this Print button. To return to the previous page, close this
• GEOC Sunday, March 21, 2010 47 -Speciation and release kinetics of cadmium and zinc in paddy soils: Application of X-ray absorption
• GEOC Sunday, March 21, 2010 42 -Chromium speciation in natural and anthropogenic
• INTRODUCTION O2 Sensor (Apogee)
• GEOC Sunday, March 21, 2010 48 -Methylarsenate distribution and speciation in soil
• Start | View At a Glance | Author Index 111-7 Case Study: The Role of Pedology In Christina River Basin CZO.
• 2010 GSA Denver Annual Meeting (31 October 3 November 2010) Paper No. 18-4
• October 19, 2009 Team to study human effect on watershed
• CANR | Cooperative Extension | REC | UD Home | UD Directory | UD Daily | Find It (A-Z) | BUDDY | Room Schedules | Figure Eight Thu, Dec-06-07 Fall Faculty
• An Associated Collegiate Press Pacemaker Award Winner Volume 128, Issue 22 Tuesday, November 20, 2001www.review.udel.edu
• PHOSPHORUS IN ALUM AMENDED POULTRY LITTER SYSTEMS: DISTRIBUTION, SPECIATION, AND
• MOLECULAR MODELING STUDY OF SULFATE AND PHOSPHATE ADSORPTION AT THE MINERAL-WATER INTERFACE
• MICROSPECTROSCOPIC STUDY OF COBALT SPECIATION AND LOCALIZATION IN HYPERACCUMULATOR ALYSSUM MURALE
• Databases selected: Dissertations & Theses: A&I Microspectroscopic study of cobalt speciation and localization
• The Fate and Speciation of Arsenic in Soils and Poultry Production Systems
• SPECIATION AND RELEASE KINETICS OF CADMIUM AND ZINC IN PADDY SOILS
• METHYLARSENIC SORPTION AND SPECIATION MECHANISMS IN NATURAL SYSTEMS
• REGULAR ARTICLE Interaction of nickel and manganese in accumulation
• Subscriber access provided by University of Delaware | Library Environmental Science & Technology is published by the American Chemical
• Speciation and Release Kinetics of Cadmium in Alkali and Acidic Paddy Soils: Application of X-Ray Absorption Spectroscopy Monday, November 2, 2009: 10:30 AM
• Microbe and Mineral Mediated Arsenic Transformations in the Soil Environment. Tuesday, November 3, 2009: 3:15 PM
• Kinetics of Chromium(III) Oxidation by Manganese(IV) Oxides Using Quick X-Ray Absorption Fine Structure Spectroscopy (Q-Thursday, November 5, 2009: 9:30 AM
• Environmental Influences On Mn-Oxide Catalyzed Arsenic Oxidation. Tuesday, November 3, 2009
• Geogenic Nickel Speciation in Serpentine Soils and Its Relationship to Nickel Uptake in Hyperaccumulator Plants. Tuesday, November 3, 2009: 3:00 PM
• DOI: 10.1126/science.1141134 , 1631 (2008);319Science
• The use of spectroscopic techniques (especially phosphorus-31 nuclear magnetic resonance [31
• BioMed Central Page 1 of 16
• KEYNOTE SPEAKER Dr. Don Sparks
• Arsenic mobilization in the critical zone: Oxidation by hydrous manganese oxide Jason S. Fischel, fischjs06@juniata.edu1
• Start | Author Index 699-29 Synthesis and Characterization of Nano-Mn(IV) Oxide Phases.
• Goldschmidt Conference Abstracts 2008 A311 A Roman glass altered 1 800 years in
• Start | Author Index 699-28 Impact of Mineral Surface Modification on As(III) Oxidation by Mn(IV) Oxides.
• Goldschmidt Conference Abstracts 2008A382 Glacial-interglacial oceanographic
• Start | Author Index 741-7 Speciation and Release Kinetics of Cadmium and Zinc in Thai Paddy Soil.
• Start | Author Index 741-8 Real Time Kinetics of Ni-Al Layered Double Hydroxide (LDH) Formation on Pyrophyllite.
• Modeling Zn Adsorption and Desorption to Soils Zhenqing Shi1,2
• Methylarsenate sorption to aluminum oxide Masayuki Shimizu, mshimizu@udel.edu, Matthew Ginder-Vogel, mattgv@udel.edu, Sanjai J. Parikh, sjparikh@udel.edu, and Donald
• This Article Figures Only
• University of Delaware Register Forgotten Password Athens/Institution Login
• Sulphate adsorption at the Fe (hydr)oxideH2O interface: comparison of cluster and periodic slab
• www.newphytologist.org 641 Blackwell Publishing Ltd
• Monday, November 5, 2007 -9:30 AM Real-Time Surface-Chemistry of Arsenite Oxidation by Hydrous Manganese Oxide.
• Monday, November 5, 2007 -11:15 AM Microbe-Mineral Interactions and their Influence on ArsenicTransformations in the Soil Environment.
• Monday, November 5, 2007 -9:45 AM The Influence of Phosphate and Sulfate on Arsenic Oxidation Via Hydrous Mn-Oxides.
• Tuesday, November 6, 2007 Arsenic Status in Delaware Soils.
• Thursday, November 8, 2007 -9:15 AM Effects of Environmental Conditions on the Properties of Biogenic Manganese Oxides.
• ID 22_Tappero Author Tappero, R.; Roberts, D.R.; Grfe, M.; Marcus, M.A.; Sparks, D.L.
• Frontiers in Exploration Workshop Organizing Committee
• Spatial and Temporal Variability of Arsenic Solid-State Speciation in
• Characterization and Surface Reactivity of Ferrihydrite Nanoparticles Assembled in Ferritin
• Quantum Chemical Calculations of Sulfate Adsorption at the Al-and
• NICKEL SOLUBILITY AND PRECIPITATION IN SOILS: A THERMODYNAMIC STUDY
• ADVANCES IN UNDERSTANDING HYDROBIOGEOCHEMICAL PROCESSES IMPORTANT IN SOIL PROTECTION
• Journal of Colloid and Interface Science 292 (2005) 148151 www.elsevier.com/locate/jcis
• Application of Quantitative Fluorescence and Absorption-Edge
• INTRODUCTION The contamination of surface and subsurface environments
• INTRODUCTION Metals comprise about 75% of the known elements and can
• , R. L. Chaney, and Donald Sparks. The ASA-CSSA-SSSA International Annual Meetings
• Paul K.W., Borda M.J., Kubicki J.D., Sparks D.L. How Dehydration Affects SO4 Adsorption at the Fe-(Hydr)oxide-H2O Interface. IUSS Symposium Advances of
• "Kinetics of Chemical Reactions in Environmental Systems: Research Needs and Challenges"
• The Role of XAFS in Advancing the Frontiers of Molecular
• Seventh International Symposium on the Geochemistry of the Earth's Surface GES-7, Aix-en-Provence, August 23-27, 2005, France
• ReproducedfromJournalofEnvironmentalQuality.PublishedbyASA,CSSA,andSSSA.Allcopyrightsreserved. Alum Amendment Effects on Phosphorus Release and Distribution
• Journal of Colloid and Interface Science 270 (2004) 7785 www.elsevier.com/locate/jcis
• CENTER FOR THE STUDY OF METALS IN THE ENVIRONMENT
• Investigating dicarboxylic acid complexation on random stacked birnessite
• Using Attenuated Total Reflectance Fourier Transform Infrared Spectroscopy to Investigate the Surface Chemistry of a Drying
• Kinetics of metal-arsenate precipitate formation at the goethite-water interface
• Use of novel synchrotron-based techniques to explore the connection between metal speciation in soils and plants
• Uptake and Cellular Compartmentalization of Metals from the Rhizosphere by Hyperaccumulating Plants: A Real Time
• Kinetics and mechanisms of metal sorption at the soil mineral/water interface: The continuum from adsorption to
• Kinetics of Zinc/ Arsenate Co-Sorption at the Goethite-Water Interface. (5827)
• Lead Sorption onto Ferrihydrite. 2. Surface Complexation Modeling
• Lead Sorption onto Ferrihydrite. 3. Multistage Contacting
• Nickel Sequestration in a Kaolinite-Humic Acid Complex
• Journal of Colloid and Interface Science 263 (2003) 364376 www.elsevier.com/locate/jcis
• Sorption of MS2 Bacteriophage to Layered Double Hydroxides: Effects of Reaction Time, pH, and Competing Anions
• SYM01or -Arsenic in Soil and Groundwater Environment:Biogeochemical Interactions Proc. 7th Intern. Conf. on the Biogeochem. of Trace Elements; Uppsala '03
• Environmental Soil Chemistry Second Edition Environmental Soil Chemistry illustrates fundamental principles of soil
• INFLUENCE OF GIBBSITE SURFACE AREA AND CITRATE ON Ni SORPTION MECHANISMS AT pH 7.5
• NMR Spectroscopic Investigations of Chemical Forms of Phosphorus in Alum Amended
• Symposium no. 08 Paper no. 1394 Presentation: poster A continuum of oxyanion adsorption mechanisms
• Teaching Soil Chemistry: Challenges and Opportunities. (S02-sparks134217-Oral)
• Reactivity of Pb(II) at the Mn(III,IV) (Oxyhydr)Oxide-Water Interface
• Residence Time Effects on Arsenate Adsorption/Desorption Mechanisms on Goethite S. E. O'Reilly,* D. G. Strawn, and D. L. Sparks
• Surface-Induced Nickel Hydroxide Precipitation in the Presence of Citrate and Salicylate
• TSNo s02-arai135528-P Microscale Arsenic (As) Chemical Speciation in Poultry Litter.
• TSNo s02-grafe135811-P Direct Arsenic Speciation in Soils Using Macroscopic and Micro-focused Spectroscopic Techniques
• TSNo s02-roberts104537-O Microscopic and Spectroscopic Speciation of Ni in Soils in the Vicinity of a Ni Refinery.
• Oral Presentation Abstracts Elucidating Metal Sorption Mechanisms at the Mineral/Water Interface: From
• The Nature of Zn Precipitates Formed in the Presence of
• Journal of Colloid and Interface Science 229, 222229 (2000) doi:10.1006/jcis.2000.7001, available online at http://www.idealibrary.com on
• Precipitates Suppress Mobility Of Metals in Soil and Water
• Nickel Sorption Mechanisms in a PyrophylliteMontmorillonite Mixture Evert J. Elzinga1
• Multicomponent Transport of Sulfate in a Goethite-Silica Sand System
• Kinetics of Mixed Ni-Al Precipitate Formation on a Soil Clay Fraction
• SORPTION AND COSORPTION OF 1,2,4-TRICHLOROBENZENE AND TANNIC ACID BY
• PII S0016-7037(98)00136-7 The kinetics of mixed Ni-Al hydroxide formation on clay and aluminum oxide minerals
• Slow Sorption Kinetics of Pentachlorophenol on Soil
• J. PHYS. IV FRANCE 7 (1997) Colloque C2, Supplement au Journal de Physique III d'avril 1997 C2-773
• Predicting Soil-Water Partition Coefficients for Cadmium
• Mechanisms of Nickel Sorption on Pyrophyllite: Macroscopic and Microscopic Approaches
• Investigation of Ni Sorption on Pyrophyllite: An XAFS Study
• The Role of Edge Surfaces in Flocculation of 2:1 Clay Minerals R. Keren* and D. L. Sparks
• Chemical Relaxation and Double Layer Model Analysis of Boron Adsorption on Alumina
• Mechanism of Aluminum Soption on Birnessite: Influences on Chromium (ID.) Oxidation
• Application of Surface Spectroscopies and Microscopies to Elucidate Sorption Mechanisms on Oxide Surfaces
• Environ. Sci. Technol. 19Q4,28, 1422-1429 Rapid Kinetics of Cu(I I) Adsorption/Desorption on Goethite
• Effect of pH and Ionic Strength on Boron Adsorption by Pyrophyllite R. Keren* and D. L. Sparks
• Equilibrium and Kinetics of Borate Adsorption-Desorption on Pyrophyllite in Aqueous Suspensions
• Kinetics of Ion Removal from an Iron-Rich Industrial Coproduct: III. Manganese and Chromium
• Electron Paramagnetic Resonance Stopped-Flow Kinetic Study of Manganese(II) Sorption--Desorption on Birnessite
• DIVISION S-2-SOIL CHEMISTRY Kinetics of Phenol and Aniline Adsorption and Desorption
• Environ. Sci. Technol. 1993, 27, 1625-1631 Sorptlon and Desorption of Quaternary Amine Cations on Clays
• Inhibitory Mechanisms of Cr(lll) Oxidation by ~3-Mn02 SCOTT E. FENDORF, *'l MARK FENDORF, t DONALD L. SPARKS,*
• J. CHEM. SOC. FARADAY TRANS., 1991, 87(15), 2501-2506 2501 Ca-K-H Exchange on Silt-, Clay-and Silt +Clay-size Soil Separates
• 323. 1JYNJ;MI(S AND 00!ANTIM3 CF OOGINIC rouJJI'ANl' lNll'RICITrns (}l GAY MINERAlS. Z.Z. 2'bang. Penchu 2'bang and D.L. Sjmks. l:epart:lrent of Plant and Soil Sciences.
• G. W. Bailey, Editor, Proceedings of the 49tb Annual Meeting of the Electron Microscopy Society of America @ 1991 by EMSA. Published by San Francisco Press, Inc., Box 6800, San Francisco. CA 94101-6800. USA
• 48 28th ANNUAL eMS CHROMIUM(llI) INDUCED SOLID PHASE TRANSFORMATION OF o-Mn02
• Surface Precipitation of Hydrolyzable Metal Ions on Oxide Surfaces
• 182 28th ANNUAL eMS Sorption and Desorption of Quaternary Amine Cations on Clays
• Reprint from: Proc. 22nd Colloquium Int. Potash Institute, Bern (1990)
• Analyses of Adsorption Kinetics Using a Stirred-Flow Chamber: I. Theory and Critical Tests
• Analyses of Adsorption Kinetics Using a Stirred-Flow Chamber: II. Potassium-Calcium Exchange on Clay Minerals
• Kinetics and Mechanisms of Sulfate Adsorption/Desorption on Goethite Using Pressure-Jump Relaxation
• Environ. Sci. Technol. 1990, 24, 1848-1856 Kinetics of Selenate and Selenite Adsorption/Desorption at the
• Relationship of Ammonium Nitrogen Distribution to Mineralogy in a Hapludalf Soil1 D. L. SPARKS, R. L. BLEVINS, H. H. BAILEY, AND R. I. BARNHISELZ
• Kinetics of Potassium Desorption in Soil using Miscible Displacement1 D. L. SPARKS, L. W. ZELAZNY, AND D. C. MARTENSZ
• Monthly communications by the International Potash Institute, Berne (Switzerland) Soil science No. 5/1981
• Communications mensuelles de l'lnstitut International dela Potasse, Berne (Suisse) Science du sol N 5/1981
• Reprint from Vol. 107(3). May 1982 Journal ofthe American Society for Horticultural Science
• COMPARISON OF BATCH AND MISCIBLE DISPLACEMENT TECHNIQUES TO DESCRIBE
• Influence of Subsurface Irrigation and Organic Additions on Top and Root Growth of Field Corn'
• Kinetics of Nonexchangeable Potassium Release from Two Coastal Plain Soils1 H. W. MARTIN AND D. L. SPARKS2
• Potassium-Calcium Exchange in a Multireactive Soil System: II. Thermodynamics1 P. M. JARDINE ANDD. L. SPARKS2
• PLEASE SCROLL DOWN FOR ARTICLE This article was downloaded by: [University of Delaware]
• A Modified Miscible Displacement Technique for Investigating Adsorption-desorption Kinetics in Soils1
• A Critical Evaluation on the Use of Kinetics for DeterminingThermodynamicsof Ion Exchange in Soils1
• Kinetics of Ion Exchange on Clay Minerals and Soil: I. Evaluation of Methods1 R. A. OGWADA AND D. L. SPARKS2
• Kinetics of Ion Exchange on Clay Minerals and Soil: II. Elucidation of Rate-limiting Steps1 R. A. OGWADA ANDD. L. SPARKS2
• Kinetics and Mechanisms of Potassium Release from Sandy Middle Atlantic Coastal Plain Soils1
• Effect of Biocidal Treatments on Cation Exchange Capacity and Fusarium Blight of Soybean in Delaware Soils
• Kinetics of Calcium-Magnesium Exchange on Soil Using a Stirred-Flow Reaction Chamber Mark S. Seyfried,* Donald L. Sparks, Asher Bar-Tal, and Sala Feigenbaum
• Potassium in Atlantic Coastal Plain Soils: I. Soil Characterization and Distribution of Potassium
• Potassium in Atlantic Coastal Plain Soils: II. Crop Responses and Changes in Soil Potassium Under Intensive Management
• Kinetics and Mechanisms of Molybdate Adsorption/Desorption at the Goethite/Water Interface Using Pressure-Jump Relaxation
• 5 Residence Time Effects of Arsenate Adsorption/Desorption Mechanism at the Aluminum Oxide-Water Interface .
• Journal of Colloid and Interface Science 223, 167178 (2000) doi:10.1006/jcis.1999.6638, available online at http://www.idealibrary.com on
• Thursday, November 8, 2007 -10:50 AM Kinetics of Chromium(III) Oxidation on Manganese Oxides Using Real-Time Molecular Scale Approaches.
• Arsenate Adsorption Mechanisms at the Allophane-Water Interface
• DIVISION S-2-SOIL CHEMISTRY Determination of Rate Coefficients for Potassium-Calcium Exchange
• University of Delaware Register Forgotten Password Athens/Institution Login
• Aluminum sulfate (alum; Al2 O) is used as a
• Factors Affecting Ni and Zn Hydroxide Precipitate Formation in Soils. (S02-peltier222185-oral)
• TSNo s02-hunger124547-O On the Use of 31-P NMR Spectroscopy to Determine Chemical Forms of Phosphorus in Soils.
• TSNo s02-peak103534-O Effect of Sulfate on Lead Desorption from Goethite.
• Irrig Sci (1991) 12:27-35 9 Springer-Vedag 1991
• JOURNAL OF COLLOID AND INTERFACE SCIENCE 186, 118128 (1997) ARTICLE NO. CS964624
• Kinetics of Ion Removal from an Iron-Rich Industrial Coproduct: H. Sulfate Yigal Salingar, Donald L. Sparks,* and John D. Pesek
• Start | Author Index 784-2 Molecular Mechanisms of Glutamic and Aspartic Acid Sorption to Oxyhydroxide Minerals.
• Arsenate and Chromate Retention Mechanisms on Goethite. 1.
• Surface chemistry of Cr(III) oxidation and precipitation on Mn(IV) oxides Gautier Landrot, landrot@udel.edu, Department of Plant and Soil Sciences and Center for Critical Zone Research, University of
• Journal of Colloid and Interface Science 320 (2008) 177185 www.elsevier.com/locate/jcis
• DIVISION S-2-SOIL CHEMISTRY Backtitration Technique for Proton Isotherm Modeling of Oxide Surfaces1
• Inhibition of hetergeneous As(III) oxidation by hydrous Mn(IV) oxide by mineral surface Matthew Ginder-Vogel, mattgv@udel.edu1, Jason S. Fischel, fischjs06@juniata.edu2, and Donald Sparks, dlsparks@udel.edu1. (1)
• Thermodynamics of Potassium Exchange in Soil Using a Kinetics Approach1 D. L. SPARKS AND P. M. JARDINEZ
• Z .Geoderma 100 2001 303319 www.elsevier.nlrlocatergeoderma
• In-situ metal speciation in soils using synchrotron based techniques David McNear1
• 0038-075C/02/16705-303314 May 2002 Soil Science Vol. 167, No. 5
• D E L A W A R E W A T E R R E S O U R C E S C E N T E R4 Fate and Transport of Arsenic in Delaware Soils
• Christina River Basin CZO Spatial and temporal integration
• Solid-State Speciation of Natural and Alum-Amended Poultry Litter
• Monday, November 5, 2007 -10:00 AM Direct Speciation and Distribution of Dietary Arsenic in Chicken Excreta and Tissues.
• Formation and Stability of Ni-Al Hydroxide Phases in Soils
• PLEASE SCROLL DOWN FOR ARTICLE This article was downloaded by: [University of Delaware]
• Effect of Long-term Lime and Potassium Applications on Quantity-Intensity (Q/I) Relationships in Sandy Soil1
• Study of the Effects of Environmental Variables and Supercritical Fluid
• PLEASE SCROLL DOWN FOR ARTICLE This article was downloaded by: [University of Delaware]
• LETTER TO THE EDITOR Surface Precipitation Reactions on Oxide Surfaces
• Sorption and Desorption of Acetonitrile on Montmorillonite from Aqueous Solutions Z. Z. Zhang,* D. L. Sparks, and R. A. Pease
• Methylarsenate Sorption to Soil. Tuesday, November 3, 2009: 3:30 PM
• Environ. Sci. Technol. 1994, 28, 204-289 Mechanisms of Chromium(I II) Sorption on Silica. 1. Cr(1II) Surface
• Anionic Effects on Potassium Reactions in Variable-Charge Atlantic Coastal Plain Soils M. C. Sadusky and D. L. Sparks*
• Effect of Zinc (Zn (II)) on the Adsorption Mechanisms of Arsenate (As (V)) at the
• The Link between Clay Mineral Weathering and the Stabilization of
• In situ analysis of biogeochemical arsenic transformations Sanjai J. Parikh, sjparikh@udel.edu, Brandon L. Lafferty, bjl@udel.edu, and Donald L. Sparks, dlsparks@udel.edu. Department of Plant
• Comunicacionas mansualas dal Instituto Intllrnacional de la Potase, Berna (Suiza) Ciencia del Suelo
• Zinc Adsorption Effects on Arsenite Oxidation Kinetics at the
• and Donald Sparks. The ASA-CSSA-SSSA International Annual Meetings
• Real-time molecular scale redox kinetics at the mineral/water interface Donald L. Sparks, dlsparks@udel.edu1
• Abstract No. pan0505 Sorption of Heavy Metal Contaminants onto Hydrated Ferric Oxides: Mechanistic Modeling using X-ray
• Journal of Colloid and Interface Science 270 (2004) 5665 www.elsevier.com/locate/jcis
• Elucidating cadmium speciation and bioavailability in Thai paddy soils Saengdao Khaokaew1
• Mechanisms of Selenate Adsorption on Iron Oxides and Hydroxides
• Kinetic Controls on Cu and Pb Sorption by Ferrihydrite
• Multi-volume reference work with authoritative, multi-disciplinary, and comprehensive coverage of the soil sciences.
• Plant Uptake and Leaching of Applied and Indigenous Potassium in Dothan Soils' D. L. Sparks, D. C.Martens, and L.W. Zelazny2
• Ion Activities: An Historical and Theoretical Overview1 D. L. SPARKS2
• Predicting Nickel Precipitate Formation in Contaminated Soils. (3717)
• Subscriber access provided by University of Delaware | Library Environmental Science & Technology is published by the American Chemical Society.
• University of Delaware Register Forgotten Password Athens/Institution Login
• Formation of nano-crystalline todorokite from biogenic Mn Xiong Han Feng a,1
• Phosphorus Speciation in Alum Amended Poultry Litter: Effects of Aging and Al:P ratio. (S02-staats551514-oral)
• Ni(II) Sorption on Biogenic Mn-Oxides with Varying Mn
• Kinetics of Ion Removal from an Iron-Rich Industrial Coproduct: I. Chloride Yigal Salingar, Donald L. Sparks,* Masoud Ghodrati, and Gerald J. Hendricks
• The Use of XAFS to Distinguish between Inner-and Outer-Sphere Lead Adsorption Complexes on Montmorillonite
• Journal of Colloid and Interface Science 235, 8088 (2001) doi:10.1006/jcis.2000.7249, available online at http://www.idealibrary.com on
• Effect of Dehydration on Sulfate Coordination and Speciation at the Fe-(Hydr)oxide-Water Interface: A
• 27. KONGRES POLSKIEGO TOWARZYSTWA GLEBOZNAWCZEGO WARSZAWA, 3 7 WRZENIA 2007
• Goldschmidt Conference Abstracts 2009 A1257 A multi-scale investigation of the
• SOILS--------Bacillus thuringiensis were spliced into
• Goldschmidt Conference Abstracts 2008A888 Advances in elucidating reactivity
• An in Situ ATR-FTIR Investigation of Sulfate Bonding Mechanisms on Goethite
• Interaction of Phenol and Aniline with Montmorillonite and llliti. D.L. SPARKS and P.C. ZHANG*. Univ. of Delaware.
• Exploring the Natural World Improving the environmental health
• SOIL SCIENCE SOCIETY OFAMERICA VOL. 58 NOVEMBER-DECEMBER 1994 No. 6
• Abstract No. Graf0383 Arsenic Speciation in a Lead-Arsenate Contaminated Orchard Soil
• PII S0016-7037(99)00244-6 The role of Al in the formation of secondary Ni precipitates
• PII S0016-7037(99)00417-2 Citation for presentation of the 1999 F. W. Clarke Award to Andre M. Scheidegger
• Start | Author Index 742-2 Kinetics of Arsenic Transformations in the Soil Environment.
• Assessing the Bioavailability of Ni in Smelter Contaminated Soils. (S11-everhart242852-oral)
• Effects of Soil Organic Matter on the Kinetics and Mechanisms of Pb(II) Sorption and Desorption in Soil
• Start | Author Index 742-3 Rates and Mechanisms of Arsenite Oxidation by Nano-Mn(IV) Oxide Mineral Phases.
• PLEASE SCROLL DOWN FOR ARTICLE This article was downloaded by: [University of Delaware]
• Competitive Ion Exchange Behavior on Oxides C. P. Schulthess* and D. L. Sparks
• Advances in elucidating biogeochemical processes in soils: It is about scale and interfaces
• DFG IUSS SYMPOSIUM Advances of Molecular Modeling
• Sulfate adsorption and its relationships with properties of representative soils of the Sa~o Paulo State, Brazil
• 2-64 GEOLOGICAL & ENVIRONMENTAL SCIENCES Chemical Forms of Zinc in a Smelter-
• DIVISION S-2--SOIL CHEMISTRY Kinetics and Mechanism of Birnessite Reduction by Catechol
• Effects of Dissolved Carbonate on Arsenate Adsorption and Surface
• GEOC Thursday, March 25, 2010 194 -Simultaneous As(III) and As(V) retention by hydrous Mn(IV) oxide
• THE PLANT SOIL INTERFACE: NICKEL BIOAVAILABILITY AND THE MECHANISMS OF PLANT HYPERACCUMULATION
• Published: April 13, 2011 r 2011 American Chemical Society 4293 dx.doi.org/10.1021/es103576p |Environ. Sci. Technol. 2011, 45, 42934299
• Abstract No Hung0356 A P-XANES Study of Phosphate Sorption to Gibbsite and Calcium Carbonate
• Frontiers in Assessing the Role of Chemical Speciation and Natural Attenuation on the Bioavailability
• DFG IUSS SYMPOSIUM Advances of Molecular Modeling
• Kinetics of nickel precipitate formation in soils Edward Peltier and D. L. Sparks. Department of Plant and Soil Sciences, University of Delaware, 152
• Goldschmidt Conference Abstracts 2009 A437 Archaeometric evidence of trade
• Start | View At a Glance | Author Index 219-5 Coupled Biotic and Abiotic Arsenite Oxidation Kinetics with Heterotrophic Soil Bacteria and a Poorly Crystalline
• November 2000 / Vol. 50 No. 11 BioScience 947 Soil as an Endangered Ecosystem
• Quantum chemical study of the Fe(III)-desferrioxamine B siderophore complex--Electronic structure,
• PII S0016-7037(00)00385-9 Stability of layered Ni hydroxide surface precipitates--A dissolution kinetics study
• MonatUc~ Mitteilungen des Internationalen Kali-Institutes, Bern (Schweiz) Fachgebiet 4
• Potassium-Calcium Exchange in a MultireactiveSoil System: I. Kinetics1 P. M. JARDINE AND D. L. SPARKS2
• University of Saskatchewan Saskatoon, Saskatchewan
• Monday, November 5, 2007 Cadmium Speciation and Release Kinetics in a Thai Paddy Soil Subjected to Varying Redox Regimes.
• Real-time surface-chemistry of arsenite oxidation by hydrous manganese oxide: Impact of Matthew Ginder-Vogel, mattgv@udel.edu1, Sanjai J. Parikh, sjparikh@udel.edu1, Jason S. Fischel, fischjs06@juniata.edu2, and Donald
• Kinetics of Nonexchangeable Ammonium Release from Soils D. Steffens and D. L. Sparks
• Start | Author Index 581-9 The Effect of Organic Acids from Rice (Oryza sativa L.) on Cadmium and Zinc Bioavailability
• DIVISION S-2--SOIL CHEMISTRY Dissolution Kinetics of Nickel Surface Precipitates on Clay Mineral and Oxide Surfaces
• 14MIB*ft* * * Kyoto Japan
• GEOC Thursday, March 25, 2010 192 -In situ characterization of environmental redox reactions using quick-scanning X-ray absorption spectroscopy
• PLEASE SCROLL DOWN FOR ARTICLE This article was downloaded by: [University of Delaware]
• Trying to make the connection: soil Ni speciation and plant accumulation. (S02-mcnearjr.415428-oral)
• INFLUENCE OF TEMPERATURE ON NICKEL SORPTION ON CLAY MINERAL AND OXIDE SURFACES. K. G. Scheckel1
• ReproducedfromJournalofEnvironmentalQuality.PublishedbyASA,CSSA,andSSSA.Allcopyrightsreserved. How Accurate Is the Assessment of Phosphorus Pools in
• Localization of Competing Metals (Ni, Co, and Zn) in Alyssum using micro-XRF and Tomography. (3564)
• 2-54 GEOLOGICAL & ENVIRONMENTAL SCIENCES Mechanisms of Selenate Adsorption on Iron
• 1 Introduction It is well established that nonexchangeable ammonium
• Journal of Colloid and Interface Science 321 (2008) 120 www.elsevier.com/locate/jcis
• FORMATION AND OCCURRENCE OF METAL-ARSENATE PRECIPITATES IN THE ENVIRONMENT
• doi:10.1016/j.gca.2005.04.016 Kinetics of zinc and arsenate co-sorption at the goethitewater interface
• Start | View At a Glance | Author Index 220-1 Kinetics of Rapid Redox Processes at the Mineral/Water Interface Using Quick-Scanning X-Ray Absorption Spectroscopy
• X-ray Absorption Spectroscopy Study of the Effects of pH and Ionic
• THE FATE AND SPECIATION OF ARSENIC IN SOILS AND POULTRY PRODUCTION SYSTEMS
• Formation of Metal-Arsenate Precipitates at the Goethite-Water
• Dissolution of Nickel Oxide in a Smelter Contaminated Soil. (S02-mcnear100330-Oral)
• Differentiation of Soil Nitrogen Fractions Using a Kinetic Approach1 T. H. CARSKI AND D. L. SPARKS2
• The Role of Molecular Scale Investigations in Advanci,ng the Frontiers of Contaminant Speciation and Bioavailability in Soils
• Kinetics of Mercury(II) Adsorption and Desorption on Soil
• Arsenate and Chromate Retention Mechanisms on Goethite. 2.
• Kinetics of Potassium Exchange in a Paleudult from the Coastal Plain of Virginia1 D. L. SPARKS, L. W. ZELA/NY, AND D. C. MARTENSZ
• 2004. SuperSoil 2004: 3rd Australian New Zealand Soils Conference, 5 9 December 2004, University of Sydney, Australia. Published on CDROM. Website www.regional.org.au/au/asssi/
• Distribution and Speciation CZO National Meeting, Arizona, May 2011
• Journal of Colloid and Interface Science 241, 317326 (2001) doi:10.1006/jcis.2001.7773, available online at http://www.idealibrary.com on
• Abstract No. Nach0475 Carbon Spectromicroscopic Studies of Metal Interactions
• TSNo s02-staats173645-P Alum Amendment Effects on Soil Phosphorus Stabilization in Poultry Litter Amended Sandy Soils.
• A Spectromicroscopic Study of 3d Transition Metal Interactions with Humic Acid; A bright
• STRUCTURE AND REACTIVITY STUDY OF BIOTIC AND ABIOTIC POORLY CRYSTALLINE MANGANESE OXIDES
• Cation Effects on the Layer Structure of Biogenic Mn-Oxides
• Environ. Sci. Technol. 1994,28,2330-2335 Sorption of Pentachlorophenol to HDTMA-Clay as a Function of Ionic
• In-situ speciation of arsenic contaminated soil using micro-focused x-ray fluorescence and x-ray absorption fine
• A Critical Assessment of Surface Adsorption Models C. P. SCHULTHESS* AND D. L. SPARKS
• Anion Exchange Chemistry of Middle Atlantic Soils: Charge Properties and Nitrate Retention Kinetics
• Pedosphere 16(5): 566-571, 2006 ISSN 1002-0160/CN 32-1315/P
• ADVANCES IN ENVIRONMENTAL REACTION KINETICS AND THERMODYNAMICS
• In Situ Carbon Speciation of Soil Organic Matter Application of X-Ray Absorption Spectro-A. Scheinost (ETH Zurich), S. Abend (SUNY, Stony Brook), E. Elzinga and M. Nachtegaal (U. of Delaware), C. Jacobsen
• Science Highlights from the National Synchrotron Light Source
• 2-66 GEOLOGICAL & ENVIRONMENTAL SCIENCES X-ray Absorption Study of the Uptake of Pb(II)
• 2.14 2.16 2.18 2.20 hydroxy-apatite
• Pesq. agropec. bras., Braslia, v.39, n.3, p.241-246, mar. 2004 Phosphorus and sodium fluoride pH in soils 241
• CSIRO PUBLISHING www.publish.csiro.au/journals/ajsr Australian Journal of Soil Research, 2006, 44, 291297
• SSSAJ: Volume 73: Number 6 NovemberDecember 2009 2191 This work was supported by the State of So Paulo Research
• Quantum Chemical Study of Arsenic (III, V) Adsorption on Mn-Oxides
• pH Effects on the structure of biogenic Mn-oxides Mengqiang Zhu, mzhu@UDel.Edu1
• Binary and Ternary Exchange of Potassium on Calcareous Montmorillonitic Soils Sala Feigenbaum,* Asher Bar-Tal, Rita Portnoy, and Donald L. Sparks
• Molecular Scale Assessment of Methylarsenic Sorption on Aluminum
• Abstract No. Graf0532 The Speciation of Arsenate (As (V)) at the Goethite-Water Interface in the Presence of Zinc (II)
• Start | View At a Glance | Author Index 111-1 The Pathways and Processes Utilized to Develop the Critical Zone Observatories.
• Editors: Prof. Stephen Nortcliff Department of Soil Science
• Ni SPECIATION IN A HUMIC ACID-KAOLINITE SYSTEM Maarten Nachtegaal,l Elham A. Ghabbour,2 Geoffrey Davies2and Donald L. Sparks}
• This paper reviews progress in phytoextraction of soil elements and illustrates the key role of hyperaccumulator plant species
• Mechanisms of poron Adsorption on Metal Oxides. C.V. TONER, IV and D.l. SPARKS, Univ. of Delaware.
• Birnessite formation and its transformation in acid media Xiong Han Feng, fxh73@mail.hzau.edu.cn, Matthew Ginder-Vogel, mattgv@udel.edu, Mengqiang Zhu, mzhu@UDel.Edu, and Donald
• Temperature Effects on Nickel Sorption Kinetics at the MineralWater Interface Kirk G. Scheckel* and Donald L. Sparks
• Lead Sorption onto Ferrihydrite. 1. A Macroscopic and Spectroscopic
• Australian Colloid and Interface Symposium
• Sorption of the Neutral and Charged Forms of Pentachlorophenol on Soil: Evidence for Different Mechanisms
• Effect of storage time on the dynamics of As speciation and transformation in heterogeneous biosolid material
• , Edward Peltier, R. L. Chaney, and Donald Sparks. The ASA-CSSA-SSSA International Annual Meetings
• Reaction Condition Effects on Nickel Sorption Mechanisms in IlliteWater Suspensions E. J. Elzinga* and D. L. Sparks
• J. Phys. Chem. 1989, 93, 6265-6267 6265 and assistance during several stages of this work. This work
• Direct Speciation of Phosphorus in Alum-Amended Poultry Litter
• doi:10.1016/S0016-7037(03)00096-6 ATR-FTIR spectroscopic studies of boric acid adsorption on hydrous ferric oxide
• Mechanistic Aspects of Pyrite Oxidation in an Oxidizing Gaseous
• Journal of Colloid and Interface Science 308 (2007) 5370 www.elsevier.com/locate/jcis
• PII S0016-7037(99)00414-7 F. W. Clarke Award Acceptance Speech
• GEOC Thursday, March 25, 2010 193 -As oxidation and retention mechanisms on hydrous Mn(IV) oxide (HMO)
• ADVANCED SPECTROSCOPIC AND MICRO-SCOPIC CHARACTERISATION TECHNIQUES -
• Journal of Colloid and Interface Science 276 (2004) 1323 www.elsevier.com/locate/jcis
• Phosphate and Organic Acids as Competing Sorbates on Amorphous Aluminum Oxide. (3791)
• 1 Introduction Since its inception in the mid 1850s, soil chemistry has
• KINETICS AND MECHANISMS OF CHROMIUM(III) OXIDATION AND PRECIPITATION ON MANGANESE OXIDES, IN REAL-TIME AND AT THE
• Synchrotron Environmental
• A Linear Combination Analyses Approach For Directly Speciating Ni Contaminated Soils.
• 1 THE CRITICAL ZONE The critical zone is "the heterogeneous, near surface
• DEDICATION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . vii FOREWORD . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ix
• ReproducedfromSoilScienceSocietyofAmericaJournal.PublishedbySoilScienceSocietyofAmerica.Allcopyrightsreserved. Phosphate Reactivity in Long-Term Poultry Litter-Amended
• T H E U N I V E R S I T Y O F I D A H O M A G A Z I N E | W I N T E R 2 0 0 3 PRESIDENTIAL
• MILESTONES IN SOIL CHEMISTRY Donald L. Sparks
• Two-site Model for Aluminum Oxide with Mass Balanced Competitive pH+Salt/Salt Dependent Reactions1
• Kinetics of Soil Chemical Reactions: Relationships between Empirical Equations and Diffusion Models
• CSIRO PUBLISHING www.publish.csiro.au/journals/ajsr Australian Journal of Soil Research, 2007, 45, 224232
• Kinetic Controls on Cu and Pb Sorption by Ferrihydrite
• COUPLING OF BIOTIC AND ABIOTIC ARSENITE OXIDATION IN SOIL
• Goldschmidt Conference Abstracts Mineralogical Magazine www.minersoc.org
• Goldschmidt Conference Abstracts Mineralogical Magazine www.minersoc.org
• Soil Interfaces in a Changing World International Symposium of Interactions of Soil Minerals with
• Goldschmidt Conference Abstracts Mineralogical Magazine www.minersoc.org
• Published: September 28, 2011 r 2011 American Chemical Society 9218 dx.doi.org/10.1021/es201281u |Environ. Sci. Technol. 2011, 45, 92189223
• Start | View At a Glance | Author Index 151-2 Soil Organic Matter-Mineral Interactions Along Hillslope Transects: Importance of
• Start | View At a Glance | Author Index 351-3 Effects of Dissolved Fe(II) On As(III) Oxidation and As(V) Sequestration by Hydrous
• Start | View At a Glance | Author Index 348-3 An In Situ Real-Time Quick X-Ray Absorption Spectroscopic (Q-XAS) Investigation of
• Journal of Hazardous Materials 192 (2011) 16161622 Contents lists available at ScienceDirect
• Structural study of biotic and abiotic poorly-crystalline manganese oxides using atomic
• Kinetics of Ni Sorption in Soils: Roles of Soil Organic Matter and Ni Precipitation
• Professor Donald L Sparks and Drs Anthony Aufdenkampe and Lou Kaplan reveal the progress their cutting-edge project is making on understanding the complex interactions within the Earth's critical zone
• ISSN: 2155-6199 JBRBD, an open access journalBioremediation: Environmental MicrobiologyJ Bioremed Biodegrad Research Article Open Access
• Electron Energy-Loss Safe-Dose Limits for Manganese Valence Measurements in Environmentally Relevant Manganese Oxides
• sciencescience 4 CSA News January 2012