Robert Kirkpatrick

Reactivity of Soil Organic Carbon with Minerals under Low Water Conditions

Lead Institution

Pacific Northwest National Laboratory

Principal Investigator

John Loring

Project type

Exploratory Research

The manner in which soil organic carbon (SOC) binds to and reacts with mineral surfaces affects SOC (bio)degradation, SOC mobility, soil wettability, mineral dissolution, and the bioavailability of…

Nature of Natural Organic Matter Interactions with Mineral Surfaces

Lead Institution

St. Mary's College of Maryland

Principal Investigator

Geoffrey Bowers

Project type

Large-Scale EMSL Research

The interactions of organic- and bio-molecules with minerals play a central role in controlling soil biogeochemistry; plant nutrition; chemical processes in sediments, soils, sedimentary rocks and…

Infrared Spectroscopic Investigations of Mixed-Metal Layered Hydroxides

Lead Institution

Michigan State University

Principal Investigator

Robert Kirkpatrick

Project type

Exploratory Research

Mixed-metal layered hydroxides are among the few oxide-based materials that have significant permanent anion exchange capacity due to isomorphous substitution. They occur naturally and in cement…

Arsenic Coordination in Naturally Occurring Minerals and Salts

Lead Institution

Michigan State University

Principal Investigator

Robert Kirkpatrick

Project type

Capability Research

Arsenic is ubiquitous in soils and marine sediments, is a frequent by-product of smelting operations and coal-fired powerplants, is a common component of wood preservatives, and was traditionally…

Structure and Dynamics of Ca in Clays, Mineral Phases of Concrete, and Ca-NOM Complexes: Natural Abundance Ca-43 NMR and Molecular Modeling Studies

Lead Institution

St. Mary's College of Maryland

Principal Investigator

Geoffrey Bowers

Project type

Limited Scope

The objective of this research is to obtain preliminary Ca-43 NMR data for a variety of environmentally and technologically important materials including Ca-saturated clays, calcium silicate hydrate …

Structure and Dynamics of Ca in Clays, Mineral Phases of Concrete, and Ca-NOM Complexes: Combined Natural Abundance 43Ca NMR and Computational Molecular Modeling Studies

Lead Institution

St. Mary's College of Maryland

Principal Investigator

Geoffrey Bowers

Project type

Large-Scale EMSL Research

The objective of this research is to use natural abundance 43Ca NMR and molecular dynamics (MD) modeling to study Ca2+ structure and dynamics in environmentally and technologically important…

Correlated Structure and Dynamics of Ions and Water at Mineralogical Solid-Water Interfaces

Lead Institution

St. Mary's College of Maryland

Principal Investigator

Geoffrey Bowers

Project type

Large-Scale EMSL Research

The objective of this work is to gain new insight into fundamental processes that occur at solid-fluid interfaces by performing a detailed, molecular-scale study of cation and H2O behavior at…

Structure and Dynamics of Ions and Fluids at Organo-Mineral-Fluid Interfaces

Lead Institution

St. Mary's College of Maryland

Principal Investigator

Geoffrey Bowers

Project type

Large-Scale EMSL Research

Our research program strives to provide new insight into the fundamental molecular-scale dynamics, energetics, and reactivity of geochemically relevant solid-fluid interfaces through combined…

Behavior of Ions and H2O at NOM, Clay, and Clay-NOM Interfaces with Supercritical Fluids

Lead Institution

St. Mary's College of Maryland

Principal Investigator

Geoffrey Bowers

Project type

Large-Scale EMSL Research

Our research program strives to provide new insight into the fundamental molecular-scale dynamics, energetics, and reactivity of geochemically relevant solid-fluid interfaces through combined…

Wet Non-Aqueous Supercritical Fluid Interactions with Densified Model Rock Materials

Lead Institution

St. Mary's College of Maryland

Principal Investigator

Geoffrey Bowers

Project type

Large-Scale EMSL Research

Our research program investigates the fundamental molecular-scale dynamics, energetics, and reactivity of geochemically relevant solid-fluid interfaces by integrating experimental spectroscopy and…

EMSL Science Overview

Robert Kirkpatrick

Projects

Reactivity of Soil Organic Carbon with Minerals under Low Water Conditions

Nature of Natural Organic Matter Interactions with Mineral Surfaces

Infrared Spectroscopic Investigations of Mixed-Metal Layered Hydroxides

Arsenic Coordination in Naturally Occurring Minerals and Salts

Structure and Dynamics of Ca in Clays, Mineral Phases of Concrete, and Ca-NOM Complexes: Natural Abundance Ca-43 NMR and Molecular Modeling Studies

Structure and Dynamics of Ca in Clays, Mineral Phases of Concrete, and Ca-NOM Complexes: Combined Natural Abundance 43Ca NMR and Computational Molecular Modeling Studies

Correlated Structure and Dynamics of Ions and Water at Mineralogical Solid-Water Interfaces

Structure and Dynamics of Ions and Fluids at Organo-Mineral-Fluid Interfaces

Behavior of Ions and H2O at NOM, Clay, and Clay-NOM Interfaces with Supercritical Fluids

Wet Non-Aqueous Supercritical Fluid Interactions with Densified Model Rock Materials