Assay CH3CN (by GC), ω/%

99.90 min

100.0

Density (20°C), ρ/(g/mL)

0.782~0.785

0.783

Chromaticity (APHA)

10 max

10

Residue on evaporation, ω/%

0.0002 max

0.0002

Water H2O (by K-F), ω/%

0.02 max

0.0073

Titrable Acid(H+), b/(mmol/g)

0.0004 max

0.0001

Titrable Base(OH-), b/(mmol/g)

0.0002 max

Not Detected

UV Absorbance

(1cm cell vs. water)

at 190 nm

1.00 max

0.533

at 200 nm

0.05 max

0.011

at 210 nm

0.04 max

0.008

at 220 nm

0.027 max

0.006

at 230 nm

0.01 max

0.003

at 240-400 nm

0.009 max

0.002

Gradient Elution/(mAU)

at 254 nm

1 max

0.093

at 210 nm

2 max

0.124