Chrome oxide metallurgical
GOST 2912-79
Appearance:
Powder of green colour.
Empirical formula: Cr2O3.
- Used in:
- Metallurgical industry for production of Cr metal.
| Specification | |
| Total Chrome mass fraction in conversion to Cr2O3 , min | 99,0% |
| Total mass fraction of SiO2, max | 0,1% |
| Total mass fraction of S, max | 0,005% |
| Total mass fraction of FeO, max | 0,1% |
| Total mass fraction of C, max | 0,03% |
| Total mass fraction of Pb, max | 0,0002% |
| Total mass fraction of Zn, max | 0,002% |
| Total mass fraction of Sb, max | 0,0003% |
| Total mass fraction of Cd, max | 0,0003%> |
| Total mass fraction of Sn, max | 0,0003% |
| Total mass fraction of Bi, max | 0,0003% |
| Total mass fraction of As, max | 0,002% |
| Moisture, max | 0,1% |
- Packing:
- paper bags of 25 kg net each; stacked on wooden pallets, shrink wrapped;
- tetraslinging banded soft containers of Big-Bag type with bottom flap of 1000 kg net each, bottom tier on pallets.