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vol.5 número2THE EFFECT OF HEAT TREATMENT ON SOME PROPERTIES AND COLOUR IN EUCALYPTUS (Eucalyptus camaldulensis DEHN.) WOODFABRICACIÓN DE MADERA CONTRAPLACADA CON ADHESIVO POLIURETANO ALTERNATIVO A BASE DE RICINO índice de autoresíndice de materiabúsqueda de artículos
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Maderas. Ciencia y tecnología

versión On-line ISSN 0718-221X

Resumen

ANANIAS, Rubén A et al. AESTHETICS APPRECIATION OF WOOD COLOUR AND PATTERNS BY COLORIMETRY: PART 2. MEASUREMENTS OF KILN DRYING DISCOLORATION IN RADIATA PINE. Maderas, Cienc. tecnol. [online]. 2003, vol.5, n.2, pp.153-161. ISSN 0718-221X.  http://dx.doi.org/10.4067/S0718-221X2003000200007.

On the first part of this work the colorimetry theory for the CIELAB system was presented. In this paper the drying discoloration of radiata pine Pinus radiata at accelerated temperature was measured quantitatively and objectively. The results showed that the kiln brown drying would be detected until 3 mm below the surface by colorimetry and that this parameters values were influenced by the heterogeneity of the annual ring: earlywood/latewood relation and annual ring width. Also this measurements of the wood colour changes can allow to adjust the drying schedule in according to the coloration intensity allowed

Palabras clave : Drying discoloration; colorimetry; Pinus radiata.

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