Specification Test Results

• ACS - Assay (Na₂SO₄):
  ≥99.0 %
• ACS - Appearance (white, crystalline powder):
  Passes Test
• Solubility and Foreign Matter:
  Passes Test
• ACS - Calcium (Ca):
  ≤0.01 %
• ACS - Chloride (Cl):
  ≤0.001 %
• ACS - Heavy Metals (as Pb):
  ≤5 ppm
• ACS - Insoluble Matter:
  ≤0.01 %
• ACS - Iron (Fe):
  ≤0.001 %
• ACS - Loss on Ignition:
  ≤0.5 %
• ACS - Magnesium (Mg):
  ≤0.005 %
• ACS - Nitrogen Compounds (as N):
  ≤5 ppm
• ACS - pH of 5% Solution at 25°C:
  5.2 - 9.2
• ACS - Phosphate (PO₄):
  ≤0.001 %
• ACS - Potassium (K):
  ≤0.002 %
• Thru U.S. No. 50 Sieve:
  ≥99.0 %