ITEM | SPECIFICATION |
Appearance | white crystalline granule or powder, odorless and tasteless, |
Content (dry basis),% | 99~102 |
Chloride,% | 0.05Max. |
Sulfate,% | 0.05Max. |
Arsenic, ppm | 2.0Max. |
Heavy metal, ppm | 10.0Max. |
Magnesium salt and alkali metal,% | 0.4 Max. |
Moisture,% | 0.5Max. |
PH value | 6~8 |