Abstract
This research examines the properties of wood tars in Morocco, including yield, pH, and density. The investigation involved pyrolysis processes using 1200 grams of wood. Cedar wood yielded 65% tar, while juniper yielded 38%. pH analyses revealed acidity levels in the tar. Commercial liquid wood tar had pH values ranging from 2.507±0.259 to 4.403±0.256, and commercial thick wood tar ranged from 2.963±0.441 to 4.393±0.121. Cedrus atlantica exhibited average pH values of 1.280±0.020 for artisanal wood tar samples and 2.297±0.025 for laboratory samples. Juniperus oxycedrus displayed pH values of 3.500±0.072 for artisanal samples and 1.913±0.042 for laboratory samples. Density variations were observed in liquid wood tar samples, which ranged from 0.775±0.019 to 1.069±0.084, and in thick wood tar samples, which ranged from 0.837±0.167 to 1.195±0. Artisanal cedar tar had a density of 0.906±0.023, while laboratory cedar tar had a density of 0.966±0.002. For Juniperus oxycedrus, artisanal wood tar exhibited a density of 1.179±0.017, and laboratory wood tar had a density of 1.081±0.004. Despite the insights gained from this study, it emphasizes the necessity for further investigation into the properties of wood tar to enhance our understanding of this natural product, which has been integral to human practices for centuries.
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