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  • Chem Sci Trans., 2015, 4(4),  pp 975-980  

    DOI:10.7598/cst2015.1095

    Research Article

    Mineral Turpentine Adulterant in Lubricating Oil

  • RAGHUNATH TOCHE1, SHOBHA BORADE2, MADHUKAR MALVE3 and BHAUSAHEB MORE3*
  • 1Deparrtment of Chemistry, KTHM College, Nashik, India
    2S M B S T College, Sangamner, Ahmed Nagar, India
    3Directorate of Forensic Science Laboratories, Kalina, Santacruz, Mumbai-400098, India
  • Abstract

    Mineral turpentine oil (MTO) is used to adulterate lubricating oil. The kinematic viscosity and flash point of lubricating oil and mineral turpentine oil samples are nearly 1.2 mm2/s and 360 ?C respectively. But adulterated samples of lubricating oil showed proportionate decrease in kinematic viscosity and flash point with percentage of mineral turpentine oil. This fact was used to detect adulteration of lubricating oil. The gas chromatographic analysis of the distillate of suspected lubricating oil sample when compared with standard mineral turpentine oil also showed the presence of mineral turpentine oil as adulterant. This approach was used to detect adulterated lubricating oil samples referred to forensic laboratories.

    Keywords

    Forensic sciences, Lubricating oil, Kinematic viscosity, Flash point

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