Specification Test Results

• Appearance (Color):
  White
• Appearance (Form):
  Powder
• Solubility (Color):
  Colorless
• Solubility (Turbidity) 0.1 M in H₂O:
  Clear
• Insoluble matter passes filter test:
  Pass
• Infrared spectrum:
  Conforms to Structure
• Sulfate:
  ≤0.02%
• Cholic acid (by TLC):
  ≤0.5%
• Chloride Content:
  ≤0.005%
• Aluminum (Al):
  ≤0.002%
• Bismuth ( Bi):
  0.0005%
• Lead (Pb):
  0.0005%
• Barium:
  0.0005%
• Cadmium (Cd):
  0.0005%
• Cobalt ( Co):
  0.0005%
• Strontium (Sr):
  ≤0.002%
• Copper (Cu):
  0.0005%
• Zinc (Zn):
  0.0005%
• Calcium (Ca):
  ≤0.05%
• Iron (Fe):
  ≤0.001%
• Lithium:
  ≤0.0005%
• Molybdenum (Mo):
  ≤0.0005%
• Nickel:
  ≤0.0005%
• Chromium (Cr):
  ≤0.0005%
• Magnesium (Mg):
  ≤0.002%
• Manganese (Mn):
  ≤0.0005%
• Potassium (K):
  ≤0.010%
• Lithium (Li):
  ≤0.0005%
• pH 0.1 M in H₂O at 20 °C:
  7.5 - 9.5
• Specific Rotation, Sodium lamp (c = 2 in H₂O at 20 °C):
  42 - 46 °
• Purity by Titration:
  ≥99.0%