Specifications:
1. In the plating industry for chromium plating, passivation and pickling.
2. As wood preservative ingredient (only for industrial application).
3. For production of chromium dioxide in production of audio, data and video tapes.
4. As oxidation agent in chemical synthesis
|
Item
|
GB/T1610-2009 index
|
Internal Enterprise standard
|
||
|
Premium Grade
|
First Grade
|
Standard Grade
|
Electroplating level high Grade
|
|
|
CrO3(%)≥
|
99.80
|
99.60
|
99.20
|
99.85
|
|
SO4(%)≤
|
0.05
|
0.10
|
0.20
|
0.05
|
|
Insoluble(%)≤
|
0.01
|
0.03
|
0.05
|
0.01
|
|
Na+(%)≤
|
0.04
|
|
|
0.04
|
|
Turbidity NTU(%)≤
|
5.0
|
15
|
|
5
|
|
Cl-(%)≤
|
|
|
|
0.06
|
1. In the plating industry for chromium plating, passivation and pickling.
2. As wood preservative ingredient (only for industrial application).
3. For production of chromium dioxide in production of audio, data and video tapes.
4. As oxidation agent in chemical synthesis