Specification Test Results

• Appearance:
  Off-white to light yellow Powder or crystals
• Infrared spectrum:
  Conforms
• Assay:
  98 to 98.8 mol % (degree of hydrolysis)
• Viscosity:
  3.5 to 4.5 cP (4 % in water)
• Ash:
  ≤1.2 % (as Na2O)
• pH:
  5.0 to 7.0 (4 % in water)
• Volatile matter:
  ≤5 %