Specification Test Results

• Clarity of solution:
  Passes test ACS
• Identification (UV/VIS):
  Passes test
• Sensitivity:
  Passes test
• Visual transition interval:
  pH 5.2 - pH 6.8
• Loss on drying (110°C):
  Max. 1 %
• Absorption max. λ 1 max (buffer pH 5.2):
  429 - 433 nm
• Absorption max. λ 2 max (buffer pH 6.8):
  587 - 590 nm
• Sp.absorptivity (λ1max; 0.005g/l; pH5.2; dry):
  400 - 470
• Sp.absorptivity (λ2max; 0.005g/l; pH6.8; dry):
  1000 - 1160