Specification Test Results

• Assay:
  Min. 99.0 %
• Free acid:
  complying
• Copper (Cu):
  Max. 0.0002 %
• Iron (Fe):
  Max. 0.0002 %
• Lead (Pb):
  Max. 0.001 %
• Substances not precipitated by HCl (as SO₄):
  Max. 0.01 %
• Chloride (Cl):
  Max. 0.0005 %
• Sulfate (SO₄):
  Max. 0.002 %
• Appearance of the solution:
  complying