... . the goods easily soluble in water at 25 °C, approximately 62 g dissolved in 100 ml water. Slightly soluble methanol, is insoluble ... light, heat, wave after case of deep color gradually. Purpose: vitamin C Sodium to be used as nutritional supplements and antioxidants, and ... role of Vc and the same, medicine, used to supplement vitamin C, 1 g of the goods equivalent to the physiological function ...