used to make milky yellow pigment in glass and enamel industry, yellow pigment used in paper industry. Used as a mordant in the printing and dyeing industry. In the inorganic industry, it is used to make other lead salts and lead dioxide. In the pharmaceutical industry, it is used to manufacture astringents. It is used in mining industry as ore flotation agent. In addition, it is also used as an oxidant for the production of matches, fireworks, and analytical chemical reagents.
SN |
Test items |
Requirement |
Test result |
1 | Assay (as Pb (NO3)2 % |
≥98 |
99.43 |
2 | Water insoluble, % |
≤0.2 |
0.05 |
3 | Moisture (H2O), % |
≤1.7 |
0.072 |
4 | Copper (as Cu), % |
≤0.002 |
0.000058 |
5 | Chloride (as Cl), % |
≤0.1 |
0.07 |
6 | Free acid (as HNO3) |
≤0.5 |
0.45 |
7 | Appearance |
White crystal |
White crystal |