Vitamins >> Vitamins

Product Name :Ascorbic Acid (Vitamin C)

ItemsStandard
AppearanceWhite crystalline powder
IdentificationPositive
Clarity of solutionClear
Color of solution≤BY7
Assay99.0~100.5%
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 rangeAbout 190℃
Heavy metals≤3ppm
Iron≤2ppm
Copper≤2ppm
Impurity E≤0.2%
Arsenic≤1ppm
Lead≤2ppm
Cadmium≤1ppm
Mercury≤1ppm
Organic volatile impuritiesMeets the requirements
  Related SubstancesImpurity 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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