Analytical Items | Standard | ||
Appearance | White to yellowish powder | ||
Identification | HPLC | ||
Loss on drying | ≤ 5.0 % | ||
Sodium | ≤ 1.0% | ||
pH | 2.0-4.0 | ||
Heavy Metals (Pb) | ≤ 0.5PPm | ||
As | ≤ 0.5PPm | ||
Cd | ≤ 0.5PPm | ||
Hg | ≤ 0.1PPm | ||
Residual sulvent | Ethanol | ≤ 2.0% | |
Mthanol | ≤ 1 .0% | ||
Assay ( HPLC ) | 99.0%~101.0% | ||
Microbial limit test | |||
Total aerobicbacteria count | ≤ 100cfu/g | ||
Mold and yeast count | ≤ 10cfu/g | ||
Escherichia coli | Negative | ||
Salmonella | Negative | ||
Staphylococcus aureus | Negative |