Ascorbic Acid Tablets
Action and use
Vitamin C.
Definition
Ascorbic Acid Tablets contain Ascorbic Acid.
Content of ascorbic acid, C6H8O6
95.0 to 107.5% of the stated amount.
Identification
20 volumes of water and 120 volumes of ethanol (96%).
The principal spot in the chromatogram obtained with solution (1) corresponds in position and colour to that in the chromatogram obtained with solution (2).
Assay
Weigh and powder 20 tablets. Dissolve a quantity of the powder containing 0.15 g of Ascorbic Acid as completely as possible in a mixture of 30 mL of water and 20 mL of 1m sulfuric acid and titrate with 0.1m ammonium cerium(iv) sulfate VS using ferroin solution as indicator. Each mL of 0.1m ammonium cerium(iv) sulfate VS is equivalent to 8.806 mg of C6H8O6.
Storage
Ascorbic Acid Tablets should be kept free from contact with metal and protected from light and moisture.
When vitamin C tablets are prescribed or demanded, Ascorbic Acid Tablets shall be dispensed or supplied.