Specifications :

• Assay (perchloric acid titration) : ≥ 99.5 %
• Identity (IR-spectrum) : passes test
• Appearance : colorless or white to almost white crystalline powder
• pH (100 g/l, water) : 7.0 – 10.0
• Chloride (Cl) : ≤ 20 ppm
• Sulphate (SO₄) : ≤ 50 ppm
• Heavy metals (as Pb) : ≤ 10 ppm
• NH₄ (Ammonium) : ≤ 100 ppm
• Sulfated ash (800 °C) : ≤ 0.05 %