Specification Test Results

• Appearance (Colour):
  Light Green to Very Dark Green and Purple to Very Dark Purple and Black
• Appearance (Form):
  Powder
• Infrared spectrum:
  Conforms to Structure
• Wavelength in Water, C=0.01 G/L H2O:
  612 - 618 nm
• Extinction Coefficient:
  ≥65000
• Carbon:
  ≥41.2 %
• Nitrogen:
  ≥3.8 %
• Purity (HPLC):
  ≥96.0 %
• Solubility (Colour), C=1 mg/ml, H₂O:
  Dark Blue