Specification Test Results

• Appearance:
  Colorless to white Crystalline powder or crystals
• Loss on drying:
  ≤1.0 % (105°C)
• pH:
  4.2 to 4.7 (1 % at 20°C)
• Titration with NaOH:
  ≥99.0 % (on dried substance)
• Arsenic (As):
  ≤3 ppm
• Lead (Pb):
  ≤5 ppm