Specification Test Results

• Appearance (Color):
  Dark Green to Brown or Brown-Black
• Appearance (Form):
  Powder or Crystals or Granules
• Infrared spectrum:
  Conforms to Structure
• Wavelength:
  603 - 607 nm
• Extinction Coefficient, c = 0.01 g/L; Methanol:
  ≥60000
• Carbon:
  ≥24.6 %
• Nitrogen:
  ≥5.0 %
• Purity (HPLC):
  ≥80.0 %
• Solubility (Turbidity); Opaque, c = 1mg/ml; Water:
  Conforms
• Solubility (Color):
  Dark Blue
• Recommended Retest Period:
  5 Years