General Administration of Quality Supervision, Inspection and Quarantine of the People‘s Republic of China
Latest
GB/T 508-1985
Replace
GB 508-1965
Scope
This method is suitable for determining the ash content of petroleum products. This method is not applicable to oiled products containing ash-burning additives, including additives of certain phosphorus compounds, nor to dry leaded lubricating oils and used engine crankcase oils.
GB/T 508-1985 history
1985GB/T 508-1985 Petroleum products--Determination of ash