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Maderas. Ciencia y tecnología

On-line version ISSN 0718-221X


CISNEROS, A.B.; NISGOSKI, S.; MOGLIA, J.G.  and  CORDOBA, M.. Colorimetry of wood from Prosopis alba. Maderas, Cienc. tecnol. [online]. 2019, vol.21, n.3, pp.393-404. ISSN 0718-221X.

The algarrobo blanco (Prosopis alba) is characterized by its excellent physical-mechanical properties in its wood. The colour is an important feature in certain use of wood, and affects its quality. The objective of this work was to evaluate the colorimetric variation between sites, section and region of the wood samples and correlate colorimetric parameters with dentrometric features of the tree. The samples were obtained from three natural stands (Los Arias, Santiago del Estero, Isla Cuba, Formosa and Villa Ángela, Chaco) and a plantation (San Isidro, Santiago del Estero), in the Chaqueña region of Argentina. The colorimetric parameters (L*, a*, b*) were obtained with a KONICA MINOLTA CM-5 spectrophotometer with illuminant D65. The colorimetric analysis confirmed that there are significant differences in colorimetric parameters between sites, section and region in the wood samples analyzed. The size of the trees is directly related to the colorimetric parameters.

Keywords : Aesthetic; CIELab; heartwood; physical properties; wood color; wood variability.

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