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The theoretical foundations and results of the approbation of the method of express analysis of counterfeit motor oils are presented. The method is based on the study of the dispersion and temperature dependences of the dielectric constant and the tangent of the loss angle. The dielkometric spectra for mineral, semi-synthetic and synthetic motor oils have been experimentally determined. The temperature dependences of the dielectric parameters of the oils are investigated. The approximation of the obtained experimental dependences by analytical functions is carried out. The developed methods make it possible to determine the falsifications of motor oils by comparing the dielkometric parameters of the studied oil with the dielkometric characteristics of the reference sample.

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Dielkometric Express Method for Determining Counterfeit Motor Oils

  • 会议论文

  • 发表日期：

    2025年

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  • O. B. Bodnar,
  • M. S. Mullakaev,
  • A. A. Mazur

摘要

The theoretical foundations and results of the approbation of the method of express analysis of counterfeit motor oils are presented. The method is based on the study of the dispersion and temperature dependences of the dielectric constant and the tangent of the loss angle. The dielkometric spectra for mineral, semi-synthetic and synthetic motor oils have been experimentally determined. The temperature dependences of the dielectric parameters of the oils are investigated. The approximation of the obtained experimental dependences by analytical functions is carried out. The developed methods make it possible to determine the falsifications of motor oils by comparing the dielkometric parameters of the studied oil with the dielkometric characteristics of the reference sample.