Ultraviolet Absorbance (1.00-cm cell vs. water): |
400-254 nm | max. 0.01 |
240 nm | max. 0.08 |
230 nm | max. 0.20 |
220 nm | max. 0.30 |
UV Cut-off, nm | max. 205 |
Fluorescence Trace Impurities, in ppb, measured as Quinine Base: |
at 450 nm Emission | max. 0.5 |
at Emission Maximum for Impurities | max. 1.0 |
Assay (C6H12) (by GC, corrected for water) | min. 99.5 % |
Residue after Evaporation | max. 2 ppm |
Substances Darkened by H2SO4 | Passes Test |
Water (by KF, coulometric) | max. 0.01 % |