Cobalt Compounds
CO1 — Cobalt Sulphate — LR, AR and ACS Grade Specs
We manufacture LR Grade, AR Grade and ACS Grade
LR Grade — Cobalt Sulphate Heptahydrate (CoSO4·7H2O)
| What | Value |
|---|---|
| Appearance | Small Red Crystals or Crystalline Powder |
| Assay (ex Co) | ≤ 98.0% |
| Chloride (Cl) | ≤ 0.005% |
| Iron (Fe) | ≤ 0.01% |
| Nickel (Ni) | ≤ 0.5% |
AR Grade — Cobalt Sulphate Heptahydrate (CoSO4·7H2O)
| What | Value |
|---|---|
| Appearance | Small Red Crystals or Crystalline Powder |
| Assay (ex Co) | ≥ 99.0% |
| pH (5% solution) | 3 – 5.5 |
| Water Insoluble Matter | ≤ 0.003% |
| Nitrogen (N) | ≤ 0.002% |
| Chloride (Cl) | ≤ 0.001% |
| Calcium (Ca) | ≤ 0.005% |
| Copper (Cu) | ≤ 0.001% |
| Iron (Fe) | ≤ 0.002% |
| Lead (Pb) | ≤ 0.001% |
| Manganese (Mn) | ≤ 0.001% |
| Nickel (Ni) | ≤ 0.01% |
| Sodium (Na) | ≤ 0.01% |
| Zinc (Zn) | ≤ 0.005% |
ACS Grade — Cobalt Sulphate Heptahydrate (CoSO4·7H2O)
| What | Value |
|---|---|
| Appearance | Small Red Crystals or Crystalline Powder |
| Assay (ex Co) | ≥ 99.0% |
| Chloride (Cl) | ≤ 0.001% |
| Calcium (Ca) | ≤ 0.005% |
| Copper (Cu) | ≤ 0.005% |
| Iron (Fe) | ≤ 0.001% |
| Potassium (K) | ≤ 0.0005% |
| Lead (Pb) | ≤ 0.005% |
| Magnesium (Mg) | ≤ 0.001% |
| Nickel (Ni) | ≤ 0.005% |
| Zinc (Zn) | ≤ 0.01% |
| Sodium (Na) | ≤ 0.005% |