Ion SANDU, Viorica VASILACHE, Irina Crina Anca SANDU, Mikiko HAYASHI<br>A New Method of Determining the Normal Range of <br>Hydric-Equilibrium Variation in Wood, with Multiple Applications

Ion SANDU, Viorica VASILACHE, Irina Crina Anca SANDU, Mikiko HAYASHI
A New Method of Determining the Normal Range of
Hydric-Equilibrium Variation in Wood, with Multiple Applications

Abstract:

This paper presents a new method for the determination of the normal range of variation of the equilibrium moisture content (DEMC) for limewood (lindenwood) on the basis of the variation of the reversible moisture content (RMC) as a result of the isothermal and isobar processes of adsorption/hydration at 100% RH and desorption/dehydration at 10% RH. There have been selected a series of characteristics with archaeometric potentials such as the content of the reversible water and the critical time for the correlation of the two curves and others. On the basis of some preliminary experimental data on limewood, there has been created the premise for the usage of these characteristics for clearifying the mechanism of the adsorption/desorption processes of the reversible water in the impact studies regarding the influence of active preservation treatments. Such aspects as well as their applicability in authentication will be further studied for other wood species in some future papers. Keywords: reversible moisture content, hydrous equilibrium, wood hygroscopicity, adsorption and desorption processes, preservation treatment, archaeometric characteristics, limewood

Issue: 2010, Volume 61, Issue 12

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