Abstract
In the paper physical and chemical properties of natural bitumen of oil sands were investigated. For the determination of organic part (natural bitumen) of oil sands the extraction methods was used in Soxhlet apparatus by solvent. Physical and mechanical characteristics of natural bitumen (NB) are established by standard methods: softening temperature was determined by the method Ring and Ball, depth of needle penetration was determined at apparatus Penetrometer, extensibility was determined by apparatus Ductilometer.
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