Summary
The critical dose above which a decrease in toughness of Western Red Cedar and Peroba wood, extracted with benzene-alcohol is noted, was determined to be approximately 0.5×106 rad lower than that for the same non-extracted species. Investigations have shown that the presence of benzene-alcohol extractives in wood raises its radiation stability. This conclusion is supported by the fact that the toughness curve which generally falls with increasing doses of absorbed irradiation shows a steeper decrease for extracted than for nonextracted wood.
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Lawniczak, M., Raczkowski, J. The influence of extractives on the radiation stability of wood. Wood Science and Technology 4, 45–49 (1970). https://doi.org/10.1007/BF00356236
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DOI: https://doi.org/10.1007/BF00356236