Specification Test Results

• Appearance:
  Orange to Brown to Dark red powder to crystal
• Lambda max.:
  517.0 to 522.0 nm (H2O)
• Absorbance (E1%1cm):
  min. 550 (H2O, 517.0 to 522.0 nm) (calcd.on dried substance)
• Drying loss:
  max. 15.0 %