Abstract
Aim of study: The chemical and morphological properties of sapwood and heartwood of stone pine and black locust were determined.
 Material and methods: Preparation of samples of stone pine and black locust sapwood and heartwood was carried out by adhering to the TAPPI Standard Methods. The chemical properties holocellulose, cellulose, lignin, alpha cellulose, ash, ether, cold and hot water and 1% NaOH solubility percentages were analysed. In order to determine the morphological properties of the woods, the fiber size of the maserated wood samples were measured under a screened visopane microscope. Using the data obtained from fiber sizes, felting ratio, stiffness coefficient, runkel ratio, elasticity classification, Mühlstep coefficient and F factor values were calculated.
 Main results: From the chemical analysis and morphological measurement results, significant differences were found according to the independent T Test statistical analysis between sapwoods and heartwoods. In addition, the solubility values of heartwoods were found to be lower than that of sapwoods, the chemical and morphological properties of all wood samples coincide with those specified in the literature.
 Highlights: To investigate the suitability of Stone Pine and Black Locust to pulp and paper production.
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