Copper Compounds
Copper Sulphate
We manufacture LR, AR, and ACS grades
LR Grade — Copper Sulphate Pentahydrate (CuSO4·5H2O)
| What | Value |
|---|---|
| Appearance | Blue Crystals or Crystalline Powder |
| Copper content (as Cu) | ≥ 98.0% |
| Chloride (Cl) | ≤ 0.005% |
| Iron (Fe) | ≤ 0.05% |
| Potassium (K) | ≤ 0.005% |
| Sodium (Na) | ≤ 0.01% |
AR Grade — Copper Sulphate Pentahydrate (CuSO4·5H2O)
| What | Value |
|---|---|
| Appearance | Blue Crystals or Crystalline Powder |
| Copper content (as Cu) | ≥ 99.0% |
| pH (5% solution) | 3.8 to 4.5 |
| Chloride (Cl) | ≤ 0.0005% |
| Iron (Fe) | ≤ 0.005% |
| Potassium (K) | ≤ 0.001% |
| Sodium (Na) | ≤ 0.005% |
| Nickel (Ni) | ≤ 0.002% |
| Lead (Pb) | ≤ 0.005% |
| Zinc (Zn) | ≤ 0.003% |
| Calcium (Ca) | ≤ 0.001% |
ACS Grade — Copper Sulphate Pentahydrate (CuSO4·5H2O)
| What | Value |
|---|---|
| Appearance | Blue Crystals or Crystalline Powder |
| Assay (ex Cu) | ≥ 99.0% |
| Insoluble Matter | ≤ 0.005% |
| Chloride (Cl) | ≤ 0.001% |
| Iron (Fe) | ≤ 0.003% |
| Potassium (K) | ≤ 0.01% |
| Sodium (Na) | ≤ 0.02% |
| Total Nitrogen (N) | ≤ 0.002% |
| Calcium (Ca) | ≤ 0.005% |
| Nickel (Ni) | ≤ 0.005% |
Pure Grade — Copper Sulphate Anhydrous (CuSO4, no water)
| What | Value |
|---|---|
| What | Value |
| Appearance | White to off-white Crystalline Powder |
| Copper content (as Cu) | ≥ 98.0% |
| Chloride (Cl) | ≤ 0.05% |
| Iron (Fe) | ≤ 0.01% |
| LOD at 250°C | ≤ 2.0% |