African Journal of
Pure and Applied Chemistry

  • Abbreviation: Afr. J. Pure Appl. Chem.
  • Language: English
  • ISSN: 1996-0840
  • DOI: 10.5897/AJPAC
  • Start Year: 2007
  • Published Articles: 357

Full Length Research Paper

A comparative investigation on the field performance of two mineral diesel engine oil

Sahar Peyman1, Abolfazl Semnani2, Hamid Shakoori Langeroodi3, Ali Reza Zangeneh1and Saeed  Habibollahi4
1Department of Chemistry, Shahreza Branch, Islamic Azad University, Shareza, Isfahan, Iran. 2Department of Chemistry, Faculty of Sciences, University of Shahrekord, Shahrekord, Iran. 3Petrokimia  Sepahan Company, Mobarekeh Industrial City, Isfahan, Iran. 4.Department of Chemistry, Payame Noor University, Tehran, IRAN.
Email: [email protected]

  •  Accepted: 09 July 2013
  •  Published: 31 July 2013


The technique of inductively coupled plasma (ICP), has been employed for monitoring the level of 24 different elements in two equivalent engine oils. Tracing have been made at 0, 500, 1000, 2000, 2500, 3000, 4000, and 6000 km of operation. In the case of both of the oils, the results indicate decreasing as well as increasing trends in concentrations of different elements. The obtained data have been interpreted based on depletion of additives, wear, leakage and vaporization processes. In contrast to chemical analysis which have been made at different kilometers, physical measurements were merely performed at 0 and 6000 km of operation. The possible reasons for physical changes have also been discussed. Based on chemical analysis and physical measurements, the performance of the oils have been compared.


Key words: Deisel engine oil, SN-500 base oil, inductively coupled plasma optical emission spectrometry (ICP-OES), physical properties, oil analysis.