 |
| Menge: | |
|---|---|
| Items Of Analysis | Specification |
| Appearance | White powder |
| Purity(XRD) | Min 99.0% |
| Water | Max 5% |
| PH value (10g/L solution) | -- |
| HCL insoluble matter | Max 0.5% |
| Particle size | Max 20nm |
| Impurities and heavy metals | Pb: max 30ppm Hg:max 5ppm As :max 3ppm Cd:max 5ppm Total heavy metals:max 50ppm |
| Items Of Analysis | Specification |
| Appearance | White powder |
| Purity(XRD) | Min 99.0% |
| Water | Max 5% |
| PH value (10g/L solution) | -- |
| HCL insoluble matter | Max 0.5% |
| Particle size | Max 20nm |
| Impurities and heavy metals | Pb: max 30ppm Hg:max 5ppm As :max 3ppm Cd:max 5ppm Total heavy metals:max 50ppm |