Specification Test Results

• Assay (CaSO₄·2H₂O) (by EDTA titrn):
  98.0 - 102.0 %
• Carbonate (CO₃):
  Passes Test
• Chloride (Cl):
  ≤0.002 %
• Heavy Metals (as Pb):
  ≤0.002 %
• Insoluble in Dilute HCl:
  ≤0.02 %
• Trace Impurities - Iron (Fe):
  ≤0.001 %
• Magnesium (Mg):
  ≤0.02 %
• Nitrate (NO₃):
  Passes Test
• Potassium (K):
  ≤0.005 %
• Sodium (Na):
  ≤0.02 %
• Strontium (Sr):
  ≤0.05 %