Spectrophotometric Determination of L-Ascorbic Acid in Pharmaceuticals based on Its Oxidation by Potassium Peroxydisulfate in the Presence of Ag(I) as a Catalyst . Int J Sci Res Chemi [Internet]. 2024 Jun. 24 [cited 2024 Jul. 3];9(3):09-16. Available from: https://ijsrch.com/index.php/home/article/view/IJSRCH24932