WOOD CHEMICAL PROPERTIES RESAK (Cotylelobium Burkii ) AND WOOD BANGKAL (Tarenna Costata ) POSITION BASED ON HEIGHT ROD

Eka Indriani Tampubolon, Evi Wardenaar, Harnani Husni

Abstract


This study aims to determine variations in chemical components resak Wood and Wood Bangkal growing in popularity Putusibau stem height position (base, middle, end of the rod). The experiments were performed at the Laboratory of Wood Technology and Wood Work Shop. Resak wood and wood Bangkal pulverized and sieved passes 40 mesh and 60 mesh restrained. Sawdust assayed extractive, lignin and holoselulosa levels using the American Society for Testing and Materials (ASTM). An experimental method using a completely randomized design (CRD) 2 x 3 factorial experiment with three replications. Results showed the average levels of wood extractive resak 3.2269% and the mean levels of wood extractive Bangkal 2.8981%, the average level of 20.1452% resak wood lignin and lignin content of wood Bangkal average 24.8506%, average levels of wood holoselulosa resak 89, 8597% and average levels of wood holoselulosa Bangkal 90.8824%.

Keywords: Chemical wood, Cotylelobium burkii, Tarenna costata

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