5 Questions
What is the procedure for preparing calamine lotion?
Mix calamine, zinc oxide, and bentonite geometrically in a dry clean mortar, dissolve sodium citrate in water, add it to the powder mixture, then add liquefied phenol, glycerin, and water to complete the volume.
What is the function of sodium citrate in the preparation of calamine lotion?
Sodium citrate acts as a solution to be added to the powder mixture.
What are the main solid compounds used in calamine lotion?
Calamine, zinc oxide, and bentonite.
Why is liquefied phenol added to calamine lotion?
Liquefied phenol is added for its astringent properties.
What is the purpose of using glycerin in calamine lotion?
Glycerin is used to provide moisturizing properties to the lotion.
Study Notes
Calamine Lotion Composition
- Contains 150g of calamine, 50g of zinc oxide, 30g of bentonite, 50ml of glycerin, 5ml of liquefied phenol, and 5g of sodium citrate
- Water is added to make up the volume to 1000ml
Preparation Procedure
- Mix calamine, zinc oxide, and bentonite geometrically in a dry, clean mortar to create a homogeneous mixture
- Dissolve 5g of sodium citrate in 15ml of water separately
- Add the sodium citrate solution to the mixture of powders with trituration
- Add liquefied phenol and glycerin to the mixture, then complete the volume with water
Uses of Calamine Lotion
- Acts as an astringent
- Provides protection against allergy
- Used as a topical preparation
Test your knowledge on pharmacy compounding procedures with this quiz! The quiz text provides a step-by-step guide on how to compound a calamine lotion mixture. Learn about mixing various compounds, dissolving solutions, and the overall procedure.
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