| Item |
Standard(%) |
| Zinc Oxide≥ |
99% |
99.50% |
99.70% |
99.80% |
99.90% |
| Metallic Zinc≤ |
0.01 |
|
|
|
|
| Lead oxide≤ |
0.05 |
0.050 |
0.037 |
0.001 |
0.001 |
| Muriatic Acid Insoluble Substance≤ |
0.01 |
0.008 |
0.006 |
0.004 |
0.004 |
| Loss on Ignition≤ |
0.2 |
0.2 |
0.2 |
|
|
| Water Insoluble Substance≤ |
0.2 |
0.2 |
0.1 |
|
|
| 105Volatile≤ |
0.5 |
0.4 |
0.3 |
0.3 |
0.3 |
| Sieve Residue (45um mesh)≤ |
0.1 |
0.1 |
0.1 |
0.1 |
0.1 |
|
|
|
|
| Advantages︰ | White powder,innocuous, odorless, stable under normal temperature. Soluble in acid, alkali and ammonium chloride solution. |
|
|
|
