specification
specifications | food grade |
main contents % ≥ | 96.0 |
whiteness % ≥ | 90 |
water insoluble % ≤ | 0.1 |
ph value of 1% water solution | 3.5-4.5 |
bulk density g/cm3 | 0.85-1.15 |
arsenic, as as % ≤ | 0.0001 |
heavy metals, as pb % ≤ | 0.001 |
fluoride, as f % ≤ |
0.001 |