Question
Posted on: November 24 2018How to process camphor 1% in a solution of isopropanol in water?
The complete composition of the prescription reads: Salicylic acid 3%; Sulphur precipitated 3%; Sulpho resorcinol 3%; Camphor 1%; Aerosil 1%; Tween 80 50 mg; Isopropanol 70 ° 20ml; Aqua AD 100 ml
Answer
Mix in a mortar aerosil with precipitated sulfur, sulpho resorcinol, salicylic acid and 2 G HPMC 4000; Gradually add water in small amounts of 50 ml and prepare a gel
Dissolve in 20 ml isopropanol 70 ° 1 G camphor and 50 mg Tween 80. Slowly pour under stirring well the alcoholic solution at the gel.
Fill a bottle with 100 ml of water and place a mark on the wall of the bottle at the level of the water surface. Empty the bottle.
Transfer the contents of the mortar into the bottle as quantitatively as possible. Rinse the mortar twice with water and transfer the rinse water into the bottle. Shake after each addition. Apply Volume