CASR |
: | 7782-49-2 |
Molecular Formula |
: | Se |
Molecular Weight |
: | 78.96 |
| Specifications | |
|---|---|
| Description: | A black fine powder |
| Solubility: | Soluble in conc. mineral acids |
| Assay: | min.99.5% |
| Acid insoluble matter: | 0.01%max |
| Loss on drying,110°C: | 0.05%max. |
| Residue on ignition: | 0.5%max |
| Lead(Pb): | 0.05%max. |
| Copper(Cu): | 0.01%max |
| Iron(Fe): | 0.005%max |
