vitamin b12 1% feed grade 68-19-9 GMP approval

Test Items

Specifications

Test Result

Items Conclusion

Description

Pale red to brown powder, hygroscopicity

Pale red powder,hygroscopicity

Complies

Identification

Have maximum absorption 361±1nm,550±2nm

Have maximum absorption

Complies

Grain Size

Uniformity 250um-180um≥90%

90%

Complies

Loss on Drying

≤5.0%

0.5%

Complies

Assay(HPLC)

(On C₆₃H₈₈C₀N₁₄O₁₄P

dried subs)

Make quantity 90-130%

105.2%

Complies

Conclusion

Conform to this article meets the provision of the GB9841-88.