Appearance | White to pale yellow powder |
Assay | 98.50% max. |
Loss on Drying | 20% max. |
Heavy metals(Pb) |
0.001% max. |
Arsenic |
0.0002% max. |
pH Value(3% aqueous solution) |
7.0-8.5 |
Color of solution(APHA) | 70max |
Free ascorbic acid | 0.5%max. |
Specific Optical Rotaion | +43°~ +50° |
Free Phosphoric acid | 1% max. |
Chloride | 0.35%max. |
Total aerobic counts | 1,000CFU/g max. |