Item | Specification |
---|---|
Appearance |
White to off White Powder |
Identification |
HPLC retention time correspond to WRS |
Water Content |
≤8.0% |
PH |
2.0-4.0 |
Heavy metals(Pb) |
≤10 ppm |
Lead(Pb) |
≤0.5 ppm |
Cadmium(Cd) |
≤0.5 ppm |
Mercury(Hg) |
≤0.5 ppm |
Arsenic(As₂O₃) |
≤0.5 ppm |
Total plate count |
≤1000cfu/g |
Yeast &Molds |
≤100cfu/g |
E.Coli |
Negative in 10g |
Salmonella |
Negative in 10g |
Assay |
≥98.0% |
Purity |
≥99.0% |