Abstract

This article describes work aimed at developing apparatus and procedures with which the kinetics of oxygen absorption in the course of oil oxidation could be investigated simultaneously with the kinetics of changes in the oil viscosity, acidity, corrosivity, and quantity of volatile products formed. Explains that in laboratory research practice, more and more use is being made of methods for evaluating thermal-oxidative stability (TOS) of oils on the basis of the oxygen absorption rate. Finds that with this apparatus, not only can the kinetics of oxygen absorption by oils and changes in their viscosity, acidity, and corrosivity be investigated, but the interrelation of these characteristics can also be studied (e.g., the degree of dependence of the viscosity and acidity on the quantity of oxygen absorbed, the dependence of the corrosivity on the acidity, etc.).

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