Vitamins >> Vitamin C

Product Name :Ascorbic Acid (Vitamin C)

Items Standard
Appearance White crystalline powder
Identification Positive
Clarity of solution Clear
Color of solution ≤BY7
Assay 99.0~100.5%
Loss on Drying ≤0.4%
Residue on ignition ≤0.1%
Sulphate Ash ≤0.1%
Specific rotation +20.5°~ +21.5°
pH(with 2% water solution 2.4-2.8
PH(with 5% water solution 2.1-2.6
Melting range About 190
Heavy metals ≤3ppm
Iron ≤2ppm
Copper ≤2ppm
Impurity E ≤0.2%
Arsenic ≤1ppm
Lead ≤2ppm
Cadmium ≤1ppm
Mercury ≤1ppm
Organic volatile impurities Meets the requirements
  Related Substances Impurity C≤0.15%
Impurity D≤0.15%
Any Other Unspecific Impurities
Impurity≤0.10%
Total Impurity≤0.2%
Total Plate Count ≤1,000cfu/g
According to BP 2016/USP39/FCC10/EP8.0/E300

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