Sodium alginate

Specification Test Results

• Appearance:
  Off-white to yellow-brown Powder
• Infrared spectrum:
  Conforms
• Loss on drying:
  ≤15.0 % (100 mg, 105°C, 4 hrs)
• Sulfated ash:
  30.0 % to 36.0 % (on dried substance)
• Viscosity:
  350 to 550 mPa.s (1 % at 20°C) (Brookfield LV)
• pH:
  5.5 to 8.0 (1 % at 20°C)
• Heavy metals (as Pb):
  ≤20 ppm