T. Chervinskyy, O. Grynyshyn, R. Prokop, P. Shapoval, B. Korchak
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Study on the Properties of Semi-Synthetic Motor Oil Castrol 10W-40 after Use in a Diesel Engine
The changes in operational and physico-chemical properties of original and used semi-synthetic motor oil Castrol 10W-40 before and after its use in a diesel engine have been investigated. Derivatographic studies were carried out to examine a thermal stability; IR spectroscopy was used to confirm the presence of oil aging products. The composition of the inorganic part of the studied semi-synthetic oils was established by X-ray fluorescence analysis.
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