Appearance | White Crystalline powder |
Assay | 98%min |
Melting point | 158℃~163℃ |
Clarity of Water Solution |
Transparency,Colorless,non suspended matters |
Specific Optical Rotation |
+186°~+188° |
Free Ascorbic Acid |
0.1%max. |
Free Glucose | 0.1%max. |
Heavy metal | 10 ppm max. |
Arenic | 2 ppm max. |
Loss on Drying | 1.0%max. |
Residue on Ignition | 0.5%max. |
Bacteria | 300 cfu/g max. |
Fungus | 100 cfu/g |