Test Method for the Determination of Total Acidity in Polyol Ester and Diester Gas Turbine Lubricants by Automatic Potentiometric Titration
STANDARD published on 1.3.2024
Designation standards: SAE ARP5088C
Publication date standards: 1.3.2024
Country: American technical standard
Category: Technical standards SAE
The test method describes the procedure for determination of the total acid number (TAN) of new and degraded polyol ester and diester-based gas turbine lubricants by the potentiometric titration technique. The method was validated to cover an acidity range of 0.05 to 6.0 mg KOH g-1. The method may also be suitable for the determination of acidities outside of this range and for other classes of lubricants.
SUBFILE: Aerospace
TYPE OF DOCUMENT: Aerospace Standard