ITEM | STANDARDS | ||
Appearance | White or off-white powder | ||
Assay(%) | 99.0 to 101.0 | ||
Particle size | 100% Pass 100mesh | ||
Melting Point(℃) | 250 - 265 | ||
Specific rotation(°) | +20 - +22 | ||
Loss on drying(%) | 1.0 Max | ||
Residue on ignition(%) | 0.1 Max | ||
pH | 7.5 - 8.5 | ||
Bulk density(g/ml) | 0.25 Min | ||
Heavy metals(ppm) | 2.0 Max | ||
Pb(ppm) | 0.5 Max | ||
As(ppm) | 1.0 Max | ||
Cd(ppm) | 1.0 Max | ||
Hg(ppm) | 0.1 Max | ||
L-histidine(%) | 1.0 Max | ||
Beta-alanine(%) | 0.1 Max | ||
TPC(cfu/g) | 1000 Max | ||
Yeast & Mold(cfu/g) | 100 Max | ||
E.Coli | Neg | ||
Salmonella | Neg |