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Determination of ascorbic acid in bulk and vitamin-C tablets using manganese (III) in aqueous acidic perchlorate media

Pharmacy & Pharmacology International Journal
Anitha Sudhir,1 Sowmya P T,1 T P Surekha2


A redox titration with an oxidising agent is a straightforward method for assessing the molecular weight and quantity of ascorbic acid in commercially available vitamin tablets. The iodometric titration of unreacted Mn (III) in aqueous perchlorate medium is used in this study to measure the molecular weight and amount of ascorbic acid in tablets. Ascorbic acid, often known as vitamin C is essential for human health and plays an important part in a variety of physiological processes in the human body. It is a vital vitamin with antioxidant properties that supports the immune system and helps the body fight infections and diseases. Vitamin C supplements are widely accessible and are used to prevent or treat deficiencies. Ascorbic acid determination is multifaceted and serves important roles in assessing nutritional health, ensuring the quality of food and pharmaceutical products, supporting clinical diagnoses, and advancing scientific understanding


ascorbic acid, iodometry, Mn (III), molecular weight, perchloric acid, vitamin C tablets