EFFECT OF IONIZING RADIATION ON WOOD AND ITS COMPONENTS
Abstract
The effect of low doses of ionizing radiation on the properties of elementary spruce wood fibers, viz., cellulose, holocellulose, and cellolignin, was studied. Gamma doses were 10, 30, 50 and 70 Mrad at a radiation power of 600 rad/sec. Variation in properties after irradiating fibers was determined by their degree of swelling in a sulfuric acid-glucose solution. A 10 Mrad dose destroyed hemicellulose and, particularly, cellulose in wood. Under these radiation conditions, fibers not containing lignin, cellulose and hemicellulose underwent considerably deeper destruction. Consequently, lignin exhibits protective action against radiation. In turn, lignin under the effect of gamma rays varies more sharply in cellolignin than in wood. At 50- and 70-Mrad doses, the primary tertiary walls of cellolignin fiber undergo marked destruction.
Document Details
- Document Type
- Technical Report
- Publication Date
- Mar 03, 1970
- Accession Number
- AD0703573
Entities
People
- L. N. Galkova
- S. N. Milyutina
- V. N. Sergeeva
Organizations
- United States Army Foreign Science and Technology Center