In research work was investigated impact of the ionizing radiation on hexane-hexene mixture. Laboratory studies were carried out on a gamma source of ⁶⁰Co at a dose power P=0.10 Gy/s in the intervals of absorbed doses of D=34-103 kGy. In static conditions it was also investigated impact of the ionizing radiation on the structural group composition of the hexane-hexene mixture. The density, viscosity of hexane-hexene mixtures were determined before and after irradiation at various absorbed doses. The results of chromatographic, IR-spectroscopic studies are presented.

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