Research Article

Influence of Ethanol Organosolv Pulping Conditions on Physicochemical Lignin Properties of European Larch

Table 1

Chemical composition of larch sawdust, reported as mean () ± standard deviation.

ComponentContent (% (w/w))

Ash0.17 ± 0.02
Extractives (water + acetone)12.02 ± 0.12
Klason lignin26.90 ± 0.10
Acid soluble lignin0.30 ± 0.02
Carbohydrates (as monomers)
  Glucose51.15 ± 0.33
  Arabinose0.99 ± 0.02
  Galactose4.97 ± 0.25
  Mannose7.39 ± 0.07
  Xylose3.12 ± 0.14