| ≥1 piece |
SPECIFICATIONS
| Test Item | Standard |
| Appearance | White without the impurity that can be seen by eye |
| Moisture, % | <6; <5 |
| Ph | 4.5—6.5 |
| DE Value, % | 5-45 |
| Solubility, % | ≥98 |
| Iodine experiment | Not changing blue |
| Sulfated Ash, % | <0.6 |
| Bacterium total, /g | ≤1000 |
| E.coli, /100g | Negative |
| Heavy mental (Pb, As), ppm | ≤0.5 |
| Molysite (Fe), m/m% | ≤0.002 |