Concord Technology (Tianjin) Co.,Ltd

 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

(25px cell vs. water)

at 190 nm

1.00 max

0.301

at 200 nm

0.05 max

0.028

at 210 nm