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% |