Specification Test Results

• Appearance (colour):
  Faint green to green
• Appearance (form):
  Powder
• Titration (NT) HClO₄ 0.1 m:
  ≥95.0%
• Purity (TLC area %):
  ≥95.0 %
• Solubility (colour):
  Green to very dark green and brown to very dark brown
• Solubility (turbidity):
  Clear to very hazy
• Solubility (method):
  50 mg/ml water, hot
• Water:
  5.0 - 8.0%
• Carbon content:
  58.50% (theory)
• Hydrogen content:
  4.30% (theory)
• Nitrogen content:
  4.26% (theory)
• Infrared spectrum:
  Conforms to structure
• Emission maximum:
  465 - 475 nm
• Remarks on luminescence:
  Exc.:388 nm 0.1 M tris; 0.2 mkcl; ph 9.0; BSA
• Recommended retest period:
  36 months