Item

Specification

Appearance

White powder

Mesh

100% pass through a 80 mesh sieve

Solubility (1% H2O)

Clear Solution

Optical Rotation

(–12°C) ~ (-19°C)

Assay

≥90%

Density

0.40–0.60g/ml

PH (1% H2O)

5.5~7.5

Loss on drying

≤10%

Protein

≤6.0%

Residue on Ignition

20.0%~30.0%

Sulphate

≤0.24 %

Heavy Metals

≤20ppm

Nitrogen

2.5%~3.5%

Chloride

≤0.5%

Arsenic

≤2ppm

Total plate count

≤1,000CFU/G

Yeast & Mold

≤100CFU/G

E.Coli

Negative

Salmonella

Negative

Conclusion

Complied with USP36

Shelf Life

Three Years