Specification Test Results

• pH Range (Yellow-Red):
  6.8 - 8.2
• Clarity of Solution:
  Passes Test
• Absorption Maximum λ1 (pH 1.2):
  503 - 506
• Absorption Maximum λ2 (pH 3.0):
  430 - 435
• Absorption Maximum λ3 (pH 6.5):
  430 - 435
• Absorption Maximum λ4 (pH 8.8):
  557 - 560
• Absorptivity (A1%/1 cm; λ1, on Dried Sample):
  900 - 1100
• Absorptivity (A1%/1 cm; λ2; on Dried Sample):
  500 - 700
• Absorptivity (A1%/1 cm; λ3, on Dried Sample):
  500 - 700
• Absorptivity (A1%/1 cm; λ4, on Dried Sample):
  1000 - 1200
• Insoluble in C₂H₅OH:
  Passes Test
• Copper (Cu):
  ≤0,005
• Iron (Fe):
  ≤0,005
• Lead (Pb):
  ≤0,005
• Nickel (Ni):
  ≤0,005
• Loss on Drying (110 °C):
  ≤5