Specification Test Results

• Meets ACS Reagent Chemical Requirements:
  ≥99.0%
• For Laboratory,Research,or Manufacturing Use:
  ≤0.01%
• Assay (K₂CO₃) (by acid-base titration):
  ≥99.0 %
• Insoluble Matter:
  ≤0.01 %
• Calcium (Ca):
  ≤0.002 %
• Chloride (Cl):
  ≤0.003 %
• ACS - Magnesium (Mg):
  ≤0.002 %
• Phosphate (PO₄):
  ≤0.001 %
• Silica (SiO₂):
  ≤0.005 %
• Sulfur Compounds (as SO₄):
  ≤0.004 %
• Sodium (Na):
  ≤0.02 %
• Trace Impurities - ACS - Heavy Metals (as Pb):
  ≤5 ppm
• Trace Impurities - Iron (Fe):
  ≤5 ppm