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Filtering by: Subject Wood-pulp -- Analysis Academic Affiliation Forest Products

Molecular weight distribution analysis of wood pulp cellulose by size exclusion chromatography

Creator:

Silva, Arlene Avenido

Abstract:

Automated size exclusion chromatography with a differential refractometer detector was employed to study the molecular weight distribution patterns in various types of wood pulp cellulose. The results obtained were correlated with the conventional methods of measuring these properties. The dissolution of pulp celluloses in N,N-dimethylacetamide-lithium chloride solvent was optimized. This...

Resource Type:

Dissertation
Chemical characterization of breakdown products involved in detection of incipient decay of wood

Creator:

Holt, Kris E.

Abstract:

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Resource Type:

Masters Thesis
An investigation of the effect of dihydroquercetin and quercetin on bleaching of Douglas-fir groundwood

Creator:

Meng, Tommy Yi

Abstract:

Sapwood and heartwood groundwood samples were prepared separately from a second growth, coastal range, young Douglas-fir (Pseudotsuga menziesii (Mirb.) Franco). The bleaching responses of these two groundwoods to zinc hydrosulfite were examined, and the roles of both dihydroquercetin and quercetin in this bleaching reaction were investigated. Heartwood groundwood was identified...

Resource Type:

Masters Thesis