SPECIFICATION
| Appearance | White to off-white powder |
| Assay | NLT 90% |
| Loss on drying | Less than10% |
| Protein | NMT6.0% |
| Heavy Metal | NMT20ppm |
| pH (1%H2O solution) | 5.5~7.5 |
| Specific Rotation | – 12° ~ -18° |
| Chloride | NMT0.5% |
| Sulfates | NMT0.24% |
| Residue on Ignition(dry base) | 20%-30% |
| Clarity (5%H2O solution) | <0.35@420nm |
| Electrophoretic purity | NMT2.0% |
| Total Bacteria Count | <1000Cfu/g |
| Yeast & Mold | <100Cfu/g |
| Salmonella | Negative |
| E. Coli | Negative |
MOLECULAR STRUCTURE：
Molecular Formula:C13H21NO15S
