| Test Items |
Specifieation |
Results |
| Characters |
White powder to crystal |
White powder |
| Assay |
97.5%-100.5% |
99.4% |
| Identification |
A,It gives reaction of citrates;B,It gives reaction of CA |
Conform |
| Impurities |
Comform the test |
Conform |
| Acid-insolubles |
≤0.2% |
<0.2% |
| Heavy metal |
≤20 ppm |
<10ppm |
| Arsenic |
≤1 ppm |
<1ppm |
| Lead |
≤1 ppm |
<1ppm |
| Mecury |
≤0.1 ppm |
<0.1ppm |
| Fluoride |
≤30ppm |
<30ppm |
| Oxlate |
≤100ppm |
<100ppm |
| Alimium |
≤30ppm |
<30ppm |
| Loss on drying |
10.0%-13.3% |
11.3% |
| Carbonate |
Comform the test |
Conform |
| Total aerobic microbial count (cfu/g) |
<1000 |
<100 |
| Total combined yeasts and moulds count (cfu/g) |
<100 |
<10 |
| Escherichia coli (/g) |
Not detected |
Not detected |
| Pseudomonas aeruginosa |
Not detected |
Not detected |
| Salmonella /25g |
Not detected |
Not detected |
| Staphylococcus aureus /g |
Not detected |
Not detected |
| Listeria monocytogenes |
Not detected |
Not detected |
| coliforms |
<10 |
<10 |
| Pseudomonas Aeruginosa/g |
Not detected |
Not detected |
| Listeria monocytognes/25g |
Not detected |
Not detected |
| Passing throug |
≥80% |
Conform |