|
Item |
Standard |
Results |
Remark |
|
Purity |
>99.80% |
99.90% |
|
|
DMSO Content |
≤0.1% |
Conforms |
|
|
Appearance |
Odorless, White Crystalline |
Conforms |
|
|
Melting Point@760mmHg |
108.5-110.5℃ |
108.65 |
|
|
Bulk Density |
≥0.70 g/ml |
0.72 |
|
|
Water Content |
≤0.20% |
0.14 |
|
|
Total Heavy Metals |
≤3 ppm |
Conforms |
|
|
As |
≤0.1 ppm |
Conforms |
|
|
Cd |
≤0.1 ppm |
Conforms |
|
|
Hg |
≤0.1 ppm |
Conforms |
|
|
Pb |
≤0.1 ppm |
Conforms |
|
|
Residue on Ignition |
≤0.1% |
<0.1% |
|
|
Coliform(CFU/g) |
Negative |
Negative |
|
|
E.Coli(CFU/g) |
Negative |
Negative |
|
|
Yeast/Mold(CFU/g) |
≤10 |
<10 |
|
|
Salmonella/25g |
Negative |
Negative |
|
|
Particle Size |
20-40mesh |
Conforms |
|
