Test Items

Specification

Testing Result

Assay CH₃CN (by GC) , ω / %

99.9min

99.99

Density(20?) , ρ / (g/mL)

0.782~0.785

0.783

Residue on evaporation , ω / %

0.0005 max

<0.0001

Water(by K-F) , ω / %

0.05 max

0.01

Solubility with H₂O

Pass test

Pass test

Titrable Acid(H⁺) / (mmol/g)

0.0004 max

0.0001

Titrable Base(OH^-) / (mmol/g)

0.0002 max

Not Detected

UV Absorbance

(1cm cell vs. water)

at 190 nm

1.00 max

0.301

at 200 nm

0.05 max

0.028

at 210 nm

0.04 max

0.017

at 220 nm

0.03 max

0.010

at 230 nm

0.01 max

0.005                                                                                                                                                               

at 240 nm

0.01 max

0.003

at 250 nm

0.005 max

0.002

at 254 nm

0.005 max

0.001