Item | Specification |
---|---|
Appearance |
White to off-white powder |
Identification |
HPLC retention time correspond to WRS |
Purity |
≥98.0% |
Loss on Drying |
≤2.0% |
Ignition Residue |
≤2.0% |
Heavy metals |
≤10ppm |
Lead(Pb) |
≤0.5ppm |
Arsenic(As₂O₃) |
≤0.5ppm |
Mercury(Hg) |
≤0.3ppm |
Cadmium(Cd) |
≤0.5ppm |
Total plate count |
≤1000cfu/g |
Yeast &Molds |
≤100cfu/g |
Salmonella |
Negative in 10g |
S.aureus |
Negative in 10g |