BP/USP
Vitamins and Minerals Deficiency Drug
GMP
Medicine Grade
Analysis reagent
Solid
Not Volatile
White Crystalline Powder
99.8%
SINOAH
25kg/Drum
USP/BP
China
3003101100
Product Description
Pharmaceutical Food Grade Ascorbic Acid Powder Vitamin C Powder 99%
Quality Standard: USP36
| Analysis contents | Analysis standard |
| Characteristics | White or almost white crystalline powder |
| Identification | Positive reaction |
| Melting point | About 190ºC |
| pH: | 2.1-2.6 |
| Clarity of solution | Clear |
| Colour of solution | ≤BY7 |
| Copper | ≤5ppm |
| Heavy metals (Lead) | ≤10ppm |
| Lead | ≤2ppm |
| Iron | ≤2ppm |
| Arsenic | ≤3ppm |
| Oxalic acid | ≤0.2% |
| Sulphate ash(Residue on ignition) | ≤0.1% |
| Specific optical rotation | +20.5°~+21.5° |
| Assay | 99.0%~100.5% |
| Organic volatile impurities | pass |
