Specification Test Results

• Appearance (Colour):
  Black
• Appearance (Form):
  Powder or Crystals
• Infrared spectrum:
  Conforms to Structure
• Wavelength Absorbance:
  290 - 300 nm
• Wavelength:
  570 - 580 nm
• Absorbance:
  c = 0.02 g/L in 50% Ethanol
• Biological Stain Commission, Commission Certified Number::
  Pass
• Carbon:
  40 - 50% Typically
• Nitrogen:
  7 - 9% Typically
• TLC, Consistent With Control:
  Conforms
• Solubility (Turbidity), c = 0.1% in H2O:
  Clear
• Solubility (Colour):
  Dark Purple