>>首页>产品世界>分类查询>粉末制品 |
| 偏钨酸铵Ammonium
Metatungstate |
|
|
| ■ 分子式
Molecular Formula:(NH4)6H2W12O40·XH2O |
| ■
外观:白色结晶粉末或微黄色。 |
| Appearance:White crytallized
powder or light yellow. |
| ■用途:多用于石油工业生产上,是炼油厂用钨基催化剂的主要原料。 |
| Application:Mainly
used for petroleum industry.It's the basic raw
material of W-base catalyzer used
in oil refinery. |
|
|
|
| 牌号与化学成分Grade
and Chemical Composition: |
| 产品牌号Grade |
AMT-1A |
AMT-2A |
| AMT-1B |
AMT-2B |
| AMT-1C |
AMT-2C |
| 纯度,不低于
Purity Min.(%) |
99.95 |
99.90 |
| 主成分WO3,不小于Main
Comp WO3MIN.(%) |
83.0 |
83.0 |
| 化学元素含量,不大于Content
of Other Chemical Element Max.(%) |
Al |
0.001 |
0.001 |
| As |
0.001 |
0.001 |
| Bi |
0.0001 |
0.0001 |
| Ca |
0.001 |
0.003 |
| Cr |
0.001 |
0.001 |
| Cu |
0.001 |
0.003 |
| Fe |
0.002 |
0.003 |
| K |
0.0015 |
0.002 |
| Mg |
0.001 |
0.002 |
| Mn |
0.001 |
0.001 |
| Mo |
0.005 |
0.01 |
| Na |
0.0015 |
0.002 |
| Ni |
0.001 |
0.001 |
| P |
0.001 |
0.003 |
| Pb |
0.0001 |
0.0001 |
| S |
0.0005 |
0.001 |
| Sb |
0.001 |
0.002 |
| Si |
0.001 |
0.002 |
| Sn |
0.0001 |
0.0003 |
| Ti |
0.001 |
0.002 |
| V |
0.001 |
0.002 |
| 水不溶物,不大于Matter
Undissolved in Water Max |
0.5 |
0.5 |
| PH值
PH Value |
3.0-4.5 |
3.0-4.5 |
|
