Testing Result:
Item |
Food Grade Standard |
Industry Grade Standard |
Test Result |
Appearance |
White Or Yellowish Crystal Powders |
Meet The Standard |
|
Solubility |
Easily Soluble In Water, Slightly Soluble In Alcohol And Insoluble In Ether |
Meet The Standard |
|
Identitification |
Meet The Standard |
Meet The Standard |
Meet The Standard |
Assay,% |
98.5min |
98 |
99.5 |
Loss On Dry,% |
0.50max |
1.0max |
0.50max |
Reducing Substances,% |
0.50 Max |
1.0 Max |
0.50 Max |
Sulfate,% |
0.05 Max |
0.2 Max |
0.05 Max |
Chloride,% |
0.07 Max |
0.1 Max |
0.07max |
Pb,ug/g |
10 Max |
10 Max |
10max |
Arsenic Salt,ug/g |
3 Max |
3 Max |
3 Max |
Heavy Metals,ug/g |
20 Max |
20 Max |
20 Max |
PH |
6.0-8.5 |
6.0-8.5 |
7.3 |