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Humic substances in soils, peats and waters : health and environmental aspects /

Based on the contributions given at a leading international conference, this volume concentrates on developments in the environmentally-friendly disposal of sludges and on the reawakened interest in composting which has emerged as a result of significant European directives.

Detalles Bibliográficos
Clasificación:Libro Electrónico
Otros Autores: Hayes, M. H. B., Wilson, W. S.
Formato: Electrónico eBook
Idioma:Inglés
Publicado: Cambridge [England] : The Royal Society of Chemistry, 1997.
Temas:
Acceso en línea:Texto completo
Tabla de Contenidos:
  • Front Cover; Humic Substances in Soils, Peats and Waters: Health and Environmental Aspects; Copyright Page; Preface; Table of Contents; Section 1: Compositions and Aspects of the Structures of Humic Substances; Chapter 1. Emerging Concepts of the Compositions and Structures of Humic Substances; Abstract; 1 Introduction; 2 Definitions; 3 Isolation of Humic Substances from Soils and Waters; 4 Fractionation of Humic Substances; 5 Compositions of Humic Substances; 6 Emerging Concepts of Structures of Humic Substances; References.
  • Chapter 2. Extractability, Chemical Composition, and Reactivities of Soil Organic Matter of Irish Grassland SoilsAbstract; 1 Introduction; 2 Materials and Methods; 3 Results and Discussion; 4 Conclusions; References; Chapter 3. Investigations of Some Structural Properties of Humic Substances by Fluorescence Quenching; Abstract; 1 Introduction; 2 Materials and Methods; 3 Results and Discussion; 4 Conclusions; Acknowledgements; References; Chapter 4. Applications of NMR Spectroscopy for Studies of the Molecular Compositions of Humic Substances; Abstract; 1 Introduction.
  • 2 Nuclear Magnetic Resonance Spectroscopy (NMR)3 Materials and Methods; 4 Results and Discussion; 5 Conclusions; References; Chapter 5. Effect of Ascorbate Reduction on the Electron Spin Resonance Spectra of Humic Acid Radical Components; Abstract; 1 Introduction; 2 Materials and Methods; 3 Results and Discussion; 4 Conclusions; References; Chapter 6. Humic Substances from Podzols Under Oak Forest and a Cleared Forest Site I. Isolation and Characterization; Abstract; 1 Introduction; 2 Materials and Methods; 3 Results and Discussion; 4 Conclusions; Acknowledgements; References.
  • Chapter 7. Humic Substances from Podzols Under Oak Forest and a Cleared Forest Site II. Spectroscopic StudiesAbstract; 1 Introduction; 2 Materials and Methods; 3 Results and Discussion; 4 Conclusions; Acknowledgements; References; Chapter 8. Studies of Humic Substances at Different pH Values using Scanning Electron Microscopy, Scanning Tunnelling Electron Microscopy, and Electron Probe X-Ray Micro Analysis; Abstract; 1 Introduction; 2 Experimental; 3 Results and Discussion; 4 Conclusions; Acknowledgements; References.
  • Chapter 9. Investigations Into the Nature of Phosphorus in Soil Humic Acids Using 31P NMR SpectroscopyAbstract; 1 Introduction; 2 Experimental; 3 Results and Discussion; 4 Conclusions; Acknowledgements; References; Chapter 10. Dissolved Humic Substances in Waters from Drained and Undrained Grazed Grassland in SW England; Abstract; 1 Introduction; 2 Details of Site, Soils, and Samplings; 3 Experimental; 4 Results and Discussion; 5 Conclusions; Acknowledgements; REFERENCES; Chapter 11. Soil Organic Matter: Does Physical or Chemical Stabilization Predominate?; Abstract; 1 Introduction.