Ammonium sulfate, 100.0%, Certified® Ultrapure ACS Plus 10g

CERTIFICATE OF ANALYSIS

• Cat 2319841-CUAP   10 GM   Lot JTB-0792-H20592
• Certified® Ultrapure ACS Plus
• 100.0%    
• CAS 7783-20-2

• Appearance white crystalline
• Arsenic (As) 0.000002%
• Assay (NaNO₂ titration) 100.0%
• Boiling point 330°C 
• Chloride (Cl) 0.0002%
• Density 1.769
• Identification conforms
• Insoluble matter 0.001%
• Iron (Fe) 0.0003%
• Meets Reagent Specifications for testing USP/NF monographs
• Melting point 235°C
• Molecular formula H₆N₂O₃S
• Heavy metals (as Pb) 0.0002%
• Molecular weight 132.14
• Nitrate (NO₃) 0.001%
• pH (5% solution at 25°C) 5.3
• Phosphate (PO₄) 0.0001%
• Refractive index 1.396
• Residue on ignition 0.003%
• Solubility highly soluble in water
• Retest 04/2025