Understanding Humic Substances: Advanced Methods, Properties and Applications
Edited by E. A. Ghabbour;
Northeastern University, Boston, USA
Northeastern University, Boston, USA
Historically, some of the great scientists have been encouraged to investigate the structure of humic substances in order to understand their properties, which regulate the environment and affect all aspects of life. Current work applies state-of-the-art instruments and techniques to attempt to solve this 200-year-old mystery.
Reporting on front-line research into these natural materials, Understanding Humic Substances: Advanced Methods, Properties and Applications focuses on the use of chemical and physical methodology to seek an explanation of the structures and their relation to macro and microscopic properties. Covering aspects of the biology, chemistry, physics and physiology of humic substances, this book encompasses topics such as fluorescence, laser spectroscopy, senescence and the latest in NMR. Unique in its molecular approach and multidisciplinary in nature, with contributions from international experts including some of the senior statesmen in the field, this book will have broad appeal to researchers and postgraduates with an interest in this complex area.
What is Humic Acid? A Perspective of the Past Forty Years; Abiotic Catalytic Humification of Organic Matter in Olive Oil Mill Wastewaters; Use of 13C NMR and FTIR for Elucidation of Degradation Pathways during Senescence and Litter Decomposition of Aspen Leaves; A Biogeopolymeric View of Humic Substances with Application to Paramagnetic Metal Effects on 13C NMR; Evaluation of Different Solid-state 13C NMR Techniques for Characterizing Humic Acids; NMR Evidence for Crystalline Domains in Humic Substances; Changes of Colloidal State in Aqueous Systems of Humic Acids; Humic Acid Pseudomicelles in Dilute Aqueous Solution: Fluorescence and Surface Tension Measurements; Atomic Force Microscopy of pH, Ionic Strength and Cadmium Effects on Surface Features of Humic Acid; Molecular Size Distribution of Humic Substances: A Comparison between Size Exclusion Chromatography and Capillary Electrophoresis; Characterization of Humic Acids by Capillary Zone Electrophoresis and Matrix Assisted Laser Desorption/Ionization Time-of-flight Mass Spectrometry; MALDI-TOF-MS Analysis of Humic Substances - A New Approach to Obtain Additional Structural Information?; Laser Spectroscopy of Humic Substances; Comprehensive Study of UV Absorption and Fluorescence Spectra of Suwannee River NOM Fractions; Fluorescence Behaviour of Molecular Size Fractions of Suwannee River Water. The Effect of Photo-oxidation; Changes in Chemical Composition, FTIR and Fluorescence Spectral Characteristics of Humic Acids in Peat Profiles; Chromatographic Separation of Fluorescent Substances from Humic Acids; A Study of Non-uniformity of Metal-binding Sites in Humic Substances by X-Ray Absorption Spectroscopy; Application of High Performance Size Exclusion Chromatography (HPSEC) with Detection by Inductively Coupled Plasma-Mass Spectrometry (ICP-MS) for the Study of Metal Complexation Properties of Soil Derived Humic Acid Molecular Fractions; Interaction of Organic Chemicals (PAHs, PCBs, Triazines, Nitroaromatics and Organotin Compounds) with Dissolved Humic Organic Matter; Humasorb-CSTM: A Humic Acid-based Adsorbent to Remove Organic and Inorganic Contaminants; Stimulation of Plant Growth by Humic Substances: Effects of Iron Availability; Using Activated Humic Acids in Detoxification of Soils Contaminated with Polychlorinated Biphenyls. Tests Conducted in the City of Serpukhov, Russia; Subject Index.
Special Publication No 247
Hardcover xvi + 286 pages
ISBN 0 85404 799 9
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