
Vitamin E (Finished product) Assay (By HPLC) Standard Preparation: Take 10 mg of vitamin E WS in 100 ml volumetric flask, add diluent to dissolve, and make up volume upto the mark with diluent. Sample Preparation: Weigh sample equivalent to 6.8 IU 100 ml volumetric flask, add 70 ml of diluents and sonicate for 30 minutes, and...