Specification Test Results

• Meets ACS Reagent Chemical Requirements:
  —
• For Laboratory,Research,or Manufacturing Use:
  —
• ACS - Assay (ZnSO₄·7H₂O):
  99.0 - 103.0 %
• ACS - Insoluble Matter:
  ≤0.005 %
• ACS - pH of 5% Solution at 25°C:
  4.4 - 6.0
• ACS - Nitrate (NO₃):
  ≤0.002 %
• ACS - Ammonium (NH₄):
  ≤0.001 %
• ACS - Calcium (Ca):
  ≤0.005 %
• ACS - Lead (Pb):
  ≤0.003 %
• ACS - Magnesium (Mg):
  ≤0.005 %
• ACS - Potassium (K):
  ≤0.01 %
• ACS - Sodium (Na):
  ≤0.05 %
• Chloride (Cl):
  ≤5 ppm
• Trace Impurities - Iron (Fe):
  ≤5 ppm
• Trace Impurities - Manganese (Mn):
  ≤2.000 ppm