Description:
Items | Specifications | Results of test |
Appearance | White crystal | White crystal |
PH | 6.0~8.0 | 6.3 |
Insoluble matter | ≤0.005% | 0.005% |
Arsenic | ≤3 ppm | 2 ppm |
Chloride % | ≤0.005% | 0.004% |
Sulfate % | ≤0.01% | 0.006% |
Iron% | ≤0.005% | 0.004% |
Lead% | ≤0.002% | <0.002% |
Organic volatile impurities | Meet the requirement | Meet the requirement |
Assay % | 98.0%-102.0% | 99.2% |