|
Item
|
Index
|
| Identification test |
Meet the standard |
| Assay(as C8H7NaO4)% , ≥ |
98.0 |
| Free alkali |
Meet the requirement |
| Chloride (as HCl), % ≤ |
0.011 |
| Heavy metals(as Pb)mg/Kg ≤ |
10.0 |
| As(as As) mg/Kg ≤ |
3.0 |
| Moisture, % ≤ |
8.5-10.0 |
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