Vitamin B12, abbreviated as VB12,one of the B vitamins, is a kind of complex organic compound containing,It is the largest and most complex vitamin molecule found so far, and it is also the only vitamin that contains metal ions; its crystal is red, so it is also called red vitamin.
Vitamin B12 1% UV Feed Grade
| ITEM | STANDARD |
| Characters | From light red to brown powder |
| Assay | 1.02% (UV) |
| Loss on drying | Starch =<10.0%,Mannitol =<5.0%,Calcium hydrogen phosphate Anhydrous=<5.0%,Calcium carbonate =<5.0% |
| Carrier | Calcium carbonate |
| Particle size | 0.25mm mesh all through |
| Lead | =<10.0(mg/kg) |
| Arsenic | =<3.0(mg/kg) |
Vitamin B12 0.1% Feed Grade
| ITEM | STANDARD |
| Characters | Light red homogeneous powder |
| Identification | Positive |
| Loss on drying | =<5.0% |
| Carrier | Calcium carbonate |
| Size(≤250um) | All through |