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Differential calometric analysis of wood and wood components

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Summary

The prolysis of cellulose, hemicelluloses, lignin preparations, and wood was studied by differential calorimetric analysis (DCA) for the range of 25° to 800° C. The test samples included powdered and filter paper celluloses; hardwood xylan; softwood galactoglucomannans, compression wood galactan, and arabinogalactan; a synthetic (DHP), sulfuric acid, Björkman, Brownell, and cellulase lignins; and unextracted and extracted hardwoods and softwoods. Heats of reaction were determined from the DCA thermal transition areas. Distinct differences were found between the thermograms of each hemicellulose and lignin sample. Although wood species could not be separated thermally, hardwood and softwood thermograms differed because of the hemicellulose degradation pattern.

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Authors and Affiliations

  1. Forest Products Laboratory, Madison 5, Wisconsin

    F. C. Beall (Asst. Prof.)

  2. Wood Science and Technology, The Pennsylvania State University, 16802, University Park, Pa

    F. C. Beall (Asst. Prof.)

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  1. F. C. Beall
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Trade names and company names are included for the benefit of the reader and do not imply any endorsement or preferential treatment of the product by the U.S. Department of Agriculture.

Formerly Research Technologist, Forest Products Laboratory, Forest Service, U.S. Department of Agriculture. The Laboratory is maintained at Madison, Wis. 53705, in cooperation with the University of Wisconsin. Present address: The Pennsylvania State University, University Park, Pennsylvania 16802.

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Beall, F.C. Differential calometric analysis of wood and wood components. Wood Science and Technology 5, 159–175 (1971). https://doi.org/10.1007/BF00353679

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  • DOI: https://doi.org/10.1007/BF00353679

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