Similar to the Percent Ash test, this test takes an extra step and adds sulfuric acid to the ash, then re-burns it.
Percent Sulfated Ash
$100.00
Description
This test (ASTM D874) is similar to the regular Percent Ash, but takes an extra step, adding sulfuric acid to the ash and then re-burning it. This test is commonly done to determine the amount of ash present from additives in unused engine oil.
Minimum amount of oil required: 20 ml
