Specification Test Results

• GMP Manufactured Product:
  ≥98%
• CAUTION: For Manufacturing, processing or repackaging:
  Passes Test
• Assay (C6H13NO4S·H2O):
  ≥99.0 %
• Appearance and Color (White crystals):
  Passes Test
• Identification (by IR):
  Passes Test
• RNase Activity:
  Passes Test
• DNase Activity (None Detected):
  Passes Test
• Protease Activity:
  Passes Test
• Color of a 1M Alkaline Solution (Colorless):
  Passes Test
• Loss on Drying at 130°C:
  7 - 10 %
• Residue on Ignition:
  ≤0.05 %
• Heavy Metals (as Pb):
  ≤2 ppm
• Absorbance, 1M Solution (au): 260 nm:
  ≤0.1000
• Absorbance, 1M Solution (au): 280 nm:
  ≤0.1000
• Chloride (Cl):
  ≤0.005 %
• pH (5% solution):
  3.1 - 3.5
• pH (0.5M ):
  2.5 - 4.5
• pKa:
  5.9 - 6.3
• Solubility:
  Passes Test
• Sulfate (SO4):
  ≤0.005 %
• Arsenic (As):
  ≤5 ppm
• Copper (Cu):
  ≤5 ppm
• Iron (Fe):
  ≤5 ppm
• Lead (Pb):
  ≤5 ppm