|
Items |
Standard |
Test Results |
|
Appearance |
White crystalline powder |
Conform |
|
Purity |
≥99.0% |
99.5% |
|
Specific optical rotation |
+17.5 - +19.0 ° |
+18.5 ° |
|
Loss on drying |
≤ 0.50% |
0.15% |
|
Residue on ignition |
≤ 0.50% |
0.18% |
|
Heavy metals(Pb) |
≤ 10ppm |
Conform |
|
Conclusion |
Conforms |
|
