Appearance: fine, black powder
Chemical formula: CuO
APPLICATIONS: oligo-element for agriculture, raw material for catalyst, raw material for production of pigments in ceramics, glass and plastics, raw material for fireworks.
| CHEMICAL ANALYSIS: | |||
| CuO | min. | 97 | % |
| Cu | min. | 77 | % |
| Cu2O | max. | 0,5 | % |
| Cl | max. | 0,2 | % |
| Cd | max. | 5 | ppm |
| As | max. | 5 | ppm |
| Hg | max. | 5 | ppm |
| Tl | max. | 5 | ppm |
| Zn | max. | 1000 | ppm |
| Pb | max. | 100 | ppm |
| Fe | max. | 2000 | ppm |
| Ni | max. | 30 | ppm |
| Mn | max. | 30 | ppm |
| Cr | max. | 30 | ppm |
| Ba | max. | 20 | ppm |
| SO4 | max. | 300 | ppm |
| residue | max. | 2,0 | % |
| PHYSICAL PROPERTIES: | |
| L.O.I. at 600 °C | max. 0,2 % |
| melting point | 1326 °C |
| solubility: | not soluble in hot and cold water; dissolves in a solution of NH4Cl and KCN |
| molecular weight | 79,55 |
| apparent relative density | 2,5 ÷ 2,8 |
| PARTICLE SIZE ANALYSIS: |
| D (0,1) = 6,416 μm |
| D (0,5) = 16,046 μm |
| D (0,9) = 30,440 μm |
PACKAGING: 20 kg or 25 kg bags, 500 kg or 1000 kg big-bags
All the indications provided in this technical data sheet are purely approximate and not binding for legal purpose. The data sheet has been gathered from laboratory tests. The user must always check suitability of the product for its specific use, undertaking all liability implicit in and deriving from use of the product. Our supplier reserves the right to change the contents of this mechanical data sheet on its final judgments. The spreading of this data sheet through any media, supersedes and cancels the validity of any other technical data sheet previously published.