Specification Test Results

• Ultraviolet Absorbance (1.00-cm cell vs. water) - 400-254 nm:
  ≤0.010
• Ultraviolet Absorbance (1.00-cm cell vs. water) - 220 nm:
  ≤0.01
• Ultraviolet Absorbance (1.00-cm cell vs. water) - 200 nm:
  ≤0.05
• Ultraviolet Absorbance (1.00-cm cell vs. water) - UV Cut-off, nm:
  ≤190
• Fluorescence Trace Impurities, measured as Quinine Base - at 450 nm Emission:
  ≤0.3 ppb
• Fluorescence Trace Impurities, measured as Quinine Base - at Emission Maximum for Impurities:
  ≤1.0 ppb
• Appearance:
  Passes Test
• Assay (CH₃CN) (by GC, corrected for water):
  ≥99.8 %
• Color (APHA):
  ≤10
• Residue after Evaporation:
  ≤1.0 ppm
• Titrable Acid (µeq/g):
  ≤0.8
• Titrable Base (µeq/g):
  ≤0.6
• Water (by KF, coulometric):
  ≤5 ppm