Specifications :

• Assay (acidimetric, calc. on anhydrous substance) : ≥ 99.0 %
• Identity : passes test
• Appearance of solution : conforms
• Sulphate (SO₄) : ≤ 0.3 %
• Heavy metals (as Pb) : ≤ 0.001 %
• Fe (Iron) : ≤ 0.01 %
• Na (Sodium) : ≤ 0.002 %
• TLC-Test : passes test
• Sulfated ash : ≤ 0.1 %
• Water (according to Karl Fischer) : 9.5 – 11.5 %