Specification Test Results

• Assay:
  Min. 99.5 %
• Solution in water:
  Passes test
• Acidity or alkalinity:
  Max. 0.001 meq/g
• pH (25°C; 5 %):
  5.0 - 8.0
• Alkaline metals (as SO₄):
  Max. 0.05 %
• Heavy metals (as Pb):
  Max. 5 ppm
• Insolubility in water:
  Max. 50 ppm
• Total N (Nitrogen):
  Max. 20 ppm
• Cl (Chloride):
  Max. 5 ppm
• NH₄ (Ammonium):
  Max. 20 ppm
• NO₃ (Nitrate):
  Max. 10 ppm
• PO₄ (Phosphate):
  Max. 10 ppm
• As (Arsenic):
  Max. 2 ppm
• Ca (Calcium):
  Max. 50 ppm
• Cu (Copper):
  Max. 2 ppm
• Fe (Iron):
  Max. 1 ppm
• K (Potassium):
  Max. 10 ppm
• Mn (Manganese):
  Max. 5 ppm
• Na (Sodium):
  Max. 10 ppm
• Pb (Lead):
  Max. 5 ppm