乙腈產品規格
外觀
無色、透明
比重
0.782~0.785
蒸餾范圍
80~82℃
乙腈純度
99.9%  最 低
水份
300PPm  最 高
氰氫酸
10ppm   最 高
酸度
0.05%ppm 最 高
0.5ppm  最 高
0.5ppm  最 高
色灰
NO.10   度最高
丙烯腈
25ppm   最 高
丙酮
25ppm   最 高
游離氨
6ppm   最 高
SUPER GRADE OF ACETONITRILE

Appearance,℃

Clear

Specific gravity 20/20,℃

0.782~0.785

Distillation Range,

80.0~82.0

Acetonitrile,wt,%

99.95 MIN

Water,wt,%

0.02 MAX

HCN,PPM

10 MAX

Acidity (as CH3COOH),PPM

10 MAX
Copper,PPM

0.3 MAX

Iron,PPM

0.3 MAX

Color, (APHA Pt-Co)

10 MAX

Propionitrile,PPM

300 MAX

Acrylonitrile,PPM

5 MAX

Acetone,PPM

5 MAX

Free Ammonia,PPM

6 MAX

UV cut off  (Abs=1),NM

205 MAX

Residue,PPM

10 MAX

HPLC GRADE OF ACETONITRILE
Assay (CH3CN)
>=99.9%
Color (APHA)
<=10

Optical

Absorbance

at 190nm
<=1.00
at 200nm
<=0.05
at 210nm
<=0.04
at 220nm
<=0.03
at 230nm
<=0.01
at 240nm
<=0.005
at 250nm
<=0.005
Fluorescence Background (as Quinine Sulfate)
To pass test
LC Gradient Suitability
To pass test
Refractive Index
at 25℃
1.3405-1.3425
Residue after Evaporation
<=1ppm
Water
<=0.01%
Titratable Acid
<=0.008mEq/g
Titratable Base
<=0.0006mEq/g
Density
at 25℃
0.775-0.780g/mL
 


捕鱼大富翁红包提现