Specification Test Results

• For Laboratory,Research,or Manufacturing Use:
  ≥99.5%
• Assay (NH₂CONH₂):
  98.0 - 102.0 %
• Appearance:
  Passes Test
• RNase Activity:
  Passes Test
• DNase Activity (None Detected):
  Passes Test
• Protease Activity:
  Passes Test
• Absorbance of a 5M Solution - 260 nm:
  ≤0.050
• Absorbance of a 5M Solution - 280 nm:
  ≤0.030
• Biuret:
  ≤0.01
• Cyanate (CNO):
  None Detected
• Insoluble Matter:
  ≤0.005 %
• Water (H₂O)(by Karl Fischer titrn):
  ≤0.5 %
• Conductivity of 8.5M Solution at 25°C, (µmho/cm):
  ≤30
• Chloride (Cl):
  ≤1 ppm
• Trace Impurities - Copper (Cu):
  ≤1 ppm
• Trace Impurities - Iron (Fe):
  ≤1 ppm
• Trace Impurities - Lead (Pb):
  ≤1 ppm