| Chemical-Physical Parameters |
RICHEN |
Typical Value |
| Identification |
Positive for the test |
Passes test |
| Assay C12H22FeO14 (calculated on the dried basis) |
97 . 0%- 102 . 0% |
98 . 8% |
| Ferric Iron |
Max . 2 . 0% |
0 . 76% |
| pH（10% Solution） |
4-5.5 |
4.5 |
| Loss on drying (105°C, 16h) |
6 . 5%--- 10 . 0% |
7 .4% |
| Chloride |
Max . 0 . 07% |
＜0 . 07% |
| Sulfate |
Max . 0 . 1% |
＜0 . 1% |
| Lead(Pb) |
Max . 2mg/kg |
0 . 31mg/kg |
| Arsenic(As) |
Max . 1mg/kg |
0 . 14mg/kg |
| Mercury(Hg) |
Max . 0.1mg/kg |
0 . 07mg/kg |
| Cadmium(Cd) |
Max . 1mg/kg |
0 . 1mg/kg |
| Reducing Sugars |
Max . 0 . 5% |
0 . 3% |
| Oxalic Acid |
Not detectable |
Not detectable |
| Pass Through 80 Mesh |
Min.98% |
98.2% |
| Microbiological Parameters |
RICHEN |
Typical Value |
| Total plate count |
≤1000CFU/g |
＜10cfu/g |
| Yeasts and Moulds |
≤25CFU/g |
＜10cfu/g |
| Coliforms |
Max. 40cfu/g |
＜10cfu/g |