Assay of Tranexamic Acid Capsules by the Formal
Titration Method: A quantity of the mixed contents of 20
capsules containing the equivalent of 0.5g of tranexamic
acid was dissolved in 20ml distilled water. The solution
was then shaken for 15 minutes and the volume was
completed to 25ml. Ten ml of formaldehyde solution
previously neutralized by sodium hydroxide was added.
Titration was then carried out using 0.5N sodium
hydroxide as titrant in presence of phenolphthalein as
indicator. The end point was determined by formation of
stable slight pink color and the required volume of titrant
was determined.