Analysis

Specification

Result

Appearance

Off white powder

Complied

Melting range

85~88

85~88

Assay(HPLC)

≥99%

99.50%

Mesh size

200mesh

200mesh

Loss on drying

≤0.5%

0.43

Ignition residue

≤0.2%

0.09

Heavy metals

≤10ppm

Conform

Pb

≤2.0ppm

0.9ppm

As

≤2.0ppm

1.0ppm

Cd

≤2.0ppm

0.9ppm

Total plate count

≤1000cfu/g

240cfu/g

Yeast and mold

≤100cfu/g

19cfu/g

E.coli

Negative

Negative

Salmonella

Negative

Negative

Pseudomonas aeruginosa

Negative

Negative

Aflatoxin B1

≤5.0ppm

Complied

Staphylococus

Negative

Negative

Conclusion

Meets in-house specification.

Packing and Storage

Packing

Pack in tin and two plastic-bags inside.

Storage

Store in a well-closed place with constant low temperature and no direct sun light

Shelf life 

2 years when properly stored.