Vitamin B12 1%
[Certificate of Analysis]:
|
Testing Item |
Standard |
Yellow Crystalline Powder |
|
Appearance |
Pale Red to Brown Powder Hygroscopicity |
Pale Red Powder, Hygroscopicity |
|
Assay (on dry basis) |
0.90% -1.30% |
1.00 percent |
|
Identification |
Have maximum absorption at 361±1nm,550±2nm |
conforms |
|
Grain Size |
All through the 0.25mm standard screen |
conforms |
|
Loss on Drying |
≤ 12.0% |
9.0 percent |
|
Arsenic |
≤3 mg/kg |
<3 mg/kg |
[Storage]:Store in a climate controlled, insulated, dry, and ventilated location. Avoid moisture at all times. Please handle carefully to prevent container damage and be sure to stockpile in a location that does not contain toxic substances.
[Packing]:Net weight 25kg per carton
[Shelf Life]:Two years (when properly stored)
