¹³C NMR of Lignins in Aqueous Alkali. I. Ionisation Effect on the Spectra of Model Compounds and Milled Wood Lignins

Articles in the same Issue

1. Titelei
2. Sonstiges
3. Biodegradation of Monomeric, Dimeric and Polymeric Lignin Models by Lentinus edodes
4. Degradation of the Polysaccharides in the Woods of Two Provenances of Pinus contorta during Kraft Pulping
5. Characterization of Unbleached Kraft Pulps by Enzymatic Treatment, Potentiometric Titration and Polyelectrolyte Adsorption
6. Chemical Modification of Norway Spruce and Scots Pine. A ¹³C NMR CP-MAS Study of the Reactivity and Reactions of Polymeric Wood Components with Acetic Anhydride
7. Preparation of Dissolving Pulp from Sugar Cane Bagasse, and its Acetylation Under Homogeneous Solution Condition
8. Oxidation of Lignin Model Compounds Containing an α-Carbonyl Group and a Ring-conjugated Double-bond by Hydrogen Peroxide-UV Photolysis
9. ESR Study of Lignin Model Compounds Irradiated by UV (254 nm Photons) in the Presence of Hydrogen Peroxide
10. ¹³C NMR of Lignins in Aqueous Alkali. I. Ionisation Effect on the Spectra of Model Compounds and Milled Wood Lignins
11. Characteristics of Lignin Structural Conversion in a Phase-Separative Reaction System Composed of Cresol and Sulfuric Acid
12. Studies on the Formation of 1-(4-Hydroxy-3,5-dimethoxy-phenyl)-2-(4-hydroxy-3-methoxyphenyl)-1 -propanone and 2-(4-Hydroxy-3,5-dimethoxyphenyl)-1-(4-hydroxy-3-methoxyphenyl)-1-propanone on Acid Treatment of Birch Lignin
13. The Monitoring of Drying Cracks in the Tension and Opposite Wood by Acoustic Emission and Scanning Electron Microscopy Methods
14. The Effect of Temperature, Density and Chemical Composition upon the Limit of Hygroscopicity of Wood
15. Water Absorption and Contact Angle Measurement of Native European, North American and Tropical Wood Species to Predict Gluing Properties
16. Hardening Mechanisms by Hexamethylenetetramine of Fast-Reacting Phenolic Wood Adhesives - A CP-MAS ₁₃C NMR Study
17. Analysis of the Natural and Artificial Weathering of a Wood Coating by Measurement of the Glass Transition Temperature
18. Literature Reports