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 |
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