Specification Test Results

• Assay:
  Min. 85.0 %
• Insoluble in Ammonia Solution:
  Max. 0.01 %
• Heavy metals (as Pb):
  Max. 0.003 %
• Phosphate, Arsenate, Silicate (as SiO₂):
  Max. 0.001 %
• Chloride (Cl):
  Max. 0.002 %
• Phosphate (PO₄):
  Max. 5 ppm
• Sulfate (SO₄):
  Max. 0.2 %