Browse Standards J1787_200505
Historical REVISED 2005-05-04

Measurement of the Total Ash Content of Aviation Piston Engine Oils by a Calculation Method J1787_200505

This SAE Recommended Practice describes an empirical method for determining the theoretical ash content of aviation piston engine lubricating oils by calculating the equivalent weight of metallic oxides formed at 775 °C based on the metallic elemental concentration.
The calculation method of ash determination may be used as an alternate to ASTM D 482 for application to the standards for aviation piston engine lubricating oils.
J1787_202009
2020-09-29
Latest
Reaffirmed
J1787_201108
2011-08-22
Historical
Revised
J1787_200505
2005-05-04
Historical
Revised
J1787_200007
2000-07-24
Historical
Revised

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