Specification Test Results

• Appearance:
  Dark green to Dark blue to Black powder to crystal
• Purity (HPLC):
  min. 95.0 area%
• Lambda max.:
  538.0 to 541.0 nm (H2O)
• Absorbance:
  min. 0.400 (2mg/L, H2O, 538.0 to 541.0 nm) (calcd.on dried substance)
• Drying loss:
  max. 10.0 %