1.1 This test method covers the determination of the organically combined sulfuric anhydride existing in a sample of sulfated oil by boiling the sample with sulfuric acid and determining the acidity of the reaction mixture. This test metho
ASTM
Standard Test Method for Determination of Organically Combined Sulfuric Anhydride by Titration, Test Method A
STD-59572
1995
2012-04-01
3