Specification Test Results

• Appearance (colour):
  Yellow to dark yellow and orange to dark orange
• Appearance (form):
  Powder
• Thin layer chromatogr.:
  Corresponds to standard
• Solubility (colour):
  0.1 g in 10 ml water
• Solubility (method):
  0.1 g in 10 ml water
• Infrared spectrum:
  Conforms to structure
• Wavelength (1) (UV):
  407 - 417 nm
• Extinction (1%/1 cm) (1) (UV):
  ≥450
• Wavelength (2) (UV):
  283 - 293 nm
• Extinction (1%/1 cm) (2) (UV):
  ≥350
• Solvent (UV):
  Water