Specifications :

• Assay (acidimetric, NH₃) : ≥ 30 %
• Identity : passes test
• Color : ≤ 10 Hazen
• Chloride (Cl) : ≤ 0.002 %
• Sulfate (SO₄) : ≤ 0.003 %
• Heavy metals (as Pb) : ≤ 0.0001 %
• Fe (Iron) : ≤ 0.0005 %
• Substances reducing potassium permanganate (as O) : ≤ 0.0008 %
• Residue on ignition (as sulfates) : ≤ 0.003 %