Ultraviolet Absorbance (1.00-cm cell vs. water) -400-254 nm<= 0.005 0.004 

Ultraviolet Absorbance (1.00-cm cell vs. water) - 220nm<= 0.01 0.01 

Ultraviolet Absorbance (1.00-cm cell vs. water) - 200nm<= 0.05 0.02 

Ultraviolet Absorbance (1.00-cm cell vs. water) - UVCut-off, nm<= 190 188 

Gradient Elution Test (a.u.) - 254 nm <= 0.0005 0.0004 

Gradient Elution Test (a.u.) - 210 nm <= 0.002 0.001 

Density (g/mL) at 25°C 0.775 - 0.780 0.777 

Fluorescence Trace Impurities, measured as QuinineBase - at 450 nm Emission<= 0.3 ppb 0.3 

Fluorescence Trace Impurities, measured as QuinineBase - at Emission Maximum for Impurities<= 1.0 ppb 0.5Assay (CH₃CN) (by GC) >= 99.9 % 100.0 

Appearance Passes Test PTColor (APHA) <= 10 5 

Fluorescence Trace Impurities, measured as QuinineBase - Fluorescence detection (PAH)<= 0.5 ppb 0.5Residue after Evaporation <= 1.0 ppm < 0.1 

Titrable Acid (µeq/g) <= 0.8 0.3 

Titrable Base (µeq/g) <= 0.6 < 0.1 

Water (by KF, coulometric) <= 100 ppm 49 

Carbonyl Compounds (as Acetone) <= 25 ppb 25