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Zirconium basic carbonate | SPEC | |||
ITEM | ZBC- I | ZBC- II | ZBC- III | ZBC- IV |
ZrO2 +HfO2 | 38-40% | 38-40% | 38-40% | 38-40% |
Fe2O3 | 0.002%max | 0.002%max | 0.002%max | 0.002%max |
SiO2 | 0.02% max |
| 0.02% max | 0.02% max |
CaO | 0.05%max |
| 0.05% max | 0.05% max |
TiO2 |
|
| 0.01% max | 0.01% max |
Na2O | 0.002% max |
| 0.002% max | 0.002% max |
SO4 | 0.01% max | 1.5%max | 0.15% max | 0.025% max |
CO2 | 5.5%min |
| 6-8% | 6-8% |
P2O5 | 0.15%max |
|
|
|
Cl | 0.02%max | 1%max | 0.15%max | 0.05%max |
NH4 |
|
|
| 0.01%max |
PH |
| 7.0min | 3.5-4.5 | 3.5-4.5 |
zirconium carbonate