Assay (acidimetric): ≥ 99.7 %
Color: ≤ 10 Hazen
Titratable base: ≤ 0.0004 meq/g
Acetic anhydride: ≤ 100 ppm
Chloride (Cl): ≤ 1 ppm
Heavy metals (as Pb): ≤ 0.5 ppm
Sulfate (SO₄): ≤ 1 ppm
Fe (Iron): ≤ 0.2 ppm
Substances reducing potassium dichromate: passes test
Substances reducing potassium permanganate: passes test
Evaporation residue: ≤ 10 ppm
Dilution test: passes test



