To prepare calamine lotion. II. Materials: Ingredients Benton magma Calamine Apparatus/Clement Beaker Graduated cylinder Calcium Hydroxide solution Analytical balance Glycerin Zinc Oxide Ill. Formula: Zinc oxide Mortar and pestle 80 g 20 ml 250 ml Calcium Hydroxide solution, q s as 1000 ml IV. Compounding Procedures: 1 . Weigh and measure ingredients accurately. 2. Prepare Benton magma. 3.
Prepare calcium hydroxide solution. 4. Dilute the Benton magma with an equal volume of calcium hydroxide solution. 5. Mix the powders intimately with glycerin and about 100 ml of diluted magma, titrating until a smooth, uniform paste Is formed. 6. Gradually incorporate the remainder of the diluted magma. 7. Finally, add enough calcium hydroxide solution to make the product. 8. Place In an appropriate container. 9. Label the container properly.
Benton Magma l. Formula: Benton 50 g Purified water, sq. Ad 1000 ml II. Compounding Procedures: 1. Weigh Benton accurately. 2. Sprinkle Benton In portions, on 800 ml of hot purified water, allowing each portion to become thoroughly dissolved with stirring. 3. Allow It to stand with occasional stirring for 24 hrs. 4. Stir until a uniform magma Is obtained. 5. Add purified water to make 1000 ml and mix. 7. Label the container properly.