Humic substances : Structures, models and functions

• Publisher: Royal Society of Chemistry
• Year: 2001
• Tongue: English
• Leaves: 404
• Series: Special publication
• Category: Library

✦ Synopsis

This product is not available separately, it is only sold as part of a set. There are 750 products in the set and these are all sold as one entity, Humic substances, the remarkable brown biomaterials in animals, coals, plants, sediments, soils and waters, are crucial components of the carbon cycle and other life processes. Thus greater knowledge and understanding of these versatile materials is of great importance to the productivity, health and safety of the world's ecosystems, humans, land and water. Presenting the best and most recent research in this important area, this book focuses on the molecular and chemical aspects of humic substances, with sophisticated analytical, chemical and physical techniques providing vital information. Areas covered include spectroscopy, modelling, mobility, properties and analysis of humic substances. Humic Substances: Structures, Models and Functions will be welcomed by researchers and professionals in academia, industry and government agencies worldwide, particularly where the science of humic substances finds applications, such as environmental remediation and sustainable agriculture Read more... Abstract: This product is not available separately, it is only sold as part of a set. There are 750 products in the set and these are all sold as one entity, Humic substances, the remarkable brown biomaterials in animals, coals, plants, sediments, soils and waters, are crucial components of the carbon cycle and other life processes. Thus greater knowledge and understanding of these versatile materials is of great importance to the productivity, health and safety of the world's ecosystems, humans, land and water. Presenting the best and most recent research in this important area, this book focuses on the molecular and chemical aspects of humic substances, with sophisticated analytical, chemical and physical techniques providing vital information. Areas covered include spectroscopy, modelling, mobility, properties and analysis of humic substances. Humic Substances: Structures, Models and Functions will be welcomed by researchers and professionals in academia, industry and government agencies worldwide, particularly where the science of humic substances finds applications, such as environmental remediation and sustainable agriculture

✦ Table of Contents

Contents......Page 13
History, Philosophy and Spectroscopy......Page 17
An Organic Matter Trail: Polysaccharides to Waste Management to NitrogedCarbon to Humic Substances......Page 19
The Principles of Humic Substances: An Introduction to the First Principle......Page 35
NMR Characterisation of the Mobile Components in Intact Green and Senescent Leaves as a Means of Studying the Humification Process......Page 47
Carbon Group Chemistry of Humic and Fulvic Acid: A Comparison of C-1s NEXAFS and I3C-NMR Spectroscopies......Page 55
Data, Mobility and Stability......Page 65
Aspects of Measurement of the Hydrodynamic Size and Molecular Mass Distribution of Humic and Fulvic Acids......Page 67
Solid State NMR Evidence for Multiple Domains in Muniic Substances......Page 79
Investigation of Molecular Motion of Humic Acids with 1 -D and 2-D Solution NMR......Page 89
Variation of Free Radical Concentration of Peat Humic Acid by Methylations......Page 99
Studies of the Structure of Humic Substances by Electrospray Ionization Coupled to a Quadrupole-Time of Flight (Qq-TOF) Mass Spectrometer......Page 111
Capillary Electrophoresis of Humic Substances in Physical Gels......Page 125
Are There Humic Acids in Antarctica?......Page 137
The Stability of Humic Acids in Alkaline Media......Page 149
Masses, Similarities and Properties......Page 167
Proton and Metal Cation Binding to Humic Substances in Relation to Chemical Composition and Molecular Size......Page 169
Characterization of Trace Metals Complexed to Humic Acids Derived from Agricultural Soils, Annelid Composts and Sediinents by Flow Field-Flow Fractionation-Inductively Coupled Plasma-Mass Spectrometry (Flow FFF-ICP-MS)......Page 181
Apparent Size Distribution and Spectral Properties of Natural Organic Matter Isolated from Six Rivers in Southeastern Georgia, USA......Page 195
Models and Theories......Page 207
Molecular Modeling of Humic Structures......Page 209
Modeling of Molecular Interactions of Soil Components with Organic Compounds......Page 225
Binding of Hydrophobic Organic Compounds to Dissolved Humic Substances: A Predictive Approach Based on Computer Assisted Structure Elucidation, Atomistic Simulations and Flory-Huggins Solution Theory......Page 237
Images, Oxidation and Humification......Page 255
Atomic Force Microscopy (AFM) Study of the Adsorption of Soil HA and Soil FA at the Mica-Water Interface......Page 257
The Influence of Catechol Humification on Surface Properties of Metal Oxides......Page 269
Spectroscopic Evaluation of Humin Changes in Response to Soil Managements......Page 287
Effects of Clear Cutting on Structure and Chemistry of Soil Humic Substances of the Hubbard Brook Experimental Forest, New Hampshire, USA......Page 297
Significance of Burning Vegetation on the Formation of Black Humic Acids in Japanese Volcanic Ash Soils......Page 313
Organic Ores and Analysis of Commercial HSs......Page 323
Leonardite and Humified Organic Matter......Page 325
Some Chemical and Spectroscopic Characteristics of Six Organic Ores......Page 331
Interpretation by Principal Component Analysis of Pyrolysis-Field Ionization Mass Spectra of Lignite Ores......Page 345
A Comparative Evaluation of Known Liquid Humic Acid Analysis Methods......Page 353
Plant Growth Stimulation and Antimutagenesis......Page 359
Response of Alfalfa to Calcium Lignite Fertilizer......Page 361
Effects of Humic Acids and Nitrogen Mineralization on Crop Production in Field Trials......Page 371
Antimutagenic and Antitoxic Actions of Humic Substances on Seedlings of Monocotyledon and Dicotyledon Plants......Page 377
Subject Index......Page 389