Methods to Reveal the Structure of Lignin

Part 1. Lignin, Humic Substances and Coal
Prof. Dr. Gösta Brunow

Prof. Dr. Gösta Brunow

University of Helsinki, Department of Chemistry, Laboratory of Organic Chemistry, P. O. Box 55, University of Finland, Finland, 00014

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First published: 15 January 2005
Citations: 30

Abstract

  • Introduction
  • Historical Outline
  • Lignin Preparations
    • Introduction
    • Milled Wood Lignin (MWL)
  • Determination of Total Lignin in Lignocellulosics
  • Methods to Determine the Molecular Mass of Lignin
    • Introduction
    • Gel Permeation Chromatography
    • Vapor Pressure Osmometry
    • Light Scattering
    • Ultrafiltration
  • Degradative Methods of Lignin Analysis
    • Introduction
    • Acidolysis and Thioacidolysis
    • Permanganate Oxidation
    • Nitrobenzene and Cupric Oxide Oxidation
    • Ozonolysis
    • Reductive Cleavage after Derivatization (DFRC)
    • Functional Group Analysis
      • Methoxyl Group Analysis
      • Phenolic Hydroxyl Groups
      • Carbonyl Groups
      • Quinoid Structures
  • Nondegradative Methods of Lignin Analysis
    • Introduction
    • Functional Groups
    • Aromatic Nuclei and Side Chain Structures
  • Structural Models
    • Introduction
    • Softwood Lignin
    • Hardwood Lignin
    • Non-Wood Lignin (Straw, Grass)
  • Patents

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