Specifications :

• Assay (argentometric, calc. on anhydrous substance) : ≥ 97.0 %
• Identity (IR-spectrum) : conforms
• Appearance of solution (20 g/l, water) : clear, dissolution is complete
• 1-Naphthylamine (HPLC) : ≤ 0.1 %
• 2-Naphthylamine (HPLC) : ≤ 0.01 %
• Water (according to Karl Fischer) : ≤ 5.0 %
• Sensitivity to sulfanilamide : conforms