Object – To prepare and dispense 10 gm Dusting Powder.
Reference – Gaud R.S. and Gupta G.D., Practical Pharmaceutics, CBS Publishers & Distributors Pvt. Ltd., 1st Edition 2002, Reprint 2019, Page no. 176.
Requirements –
- Chemicals – Magnesium oxide, Starch, Talc.
- Glassware – Mortar and pestle, Mesh screen.
Theory –
Dusting powder is used externally for local application, not intended for systemic action. Dusting powders are homogenous, non-irritable, free flow, and have good spreadability and adsorption capacity. Dusting powder always should be dispersed in a very fine state of subdivision to enhance effectiveness and minimize irritation.
Formula Table:
| S. No. | Ingredients | Quantity Given | Quantity Taken |
| 1. | Magnesium oxide | 0.50 gm | 0.43 gm |
| 2. | Starch | 1 gm | 0.86 gm |
| 3. | Talc | 10 gm | 8.69 gm |
Procedure
- Weigh all the ingredients.
- Pass the ingredients through a 60-mesh size sieve.
- Triturate the ingredients in pestle and mortar and shake uniformly.
- Pack the powder well.
Category: Pharmaceutical aid.
Storage: Preserve in a well closed container in a wide mouth bottle.
Use: Pharmaceutical aid.
Result: 10gm Dusting powder had been prepared and dispensed.
