NILE
CHEMICALS
NILE
CHEMICALS
LEAD CARBONATE GR
|
SPECIFICATION |
|
| PbO3 M.W. 267.21 | |
| Minimum assay ( by complexometry ) | 99% |
| Max. Limits of Impurities : | |
| Substances in soluble in dilute acetic acid | 0.02% |
| Chloride ( CI ) | 0.002% |
| Nitrate and Nitrate ( as NO3 ) | 0.005% |
| Total nitrogen ( N ) | 0.02% |
| Copper ( Cu ) | 0.002% |
| Iron ( Fe ) | 0.002% |
| Zinc ( Zn ) | 0.003% |
| Cadmium ( Cd ) | 0.002% |
| Substances not precipitated by H2S (as sulphate) | 0.1% |