Pharmaceutics I
Unit 2 Notes
1. Pharmaceutical calculations : Weights and measures– Imperial & Metric system, Calculations involving percentage solutions, alligation, proof spirit and isotonic solutions based on freezing point and molecular weight.
2. Powders : Definition, classification, advantages and disadvantages, Simple & compound powders– official preparations, dusting powders, effervescent, efflorescent and hygroscopic powders, eutectic mixtures. Geometric dilutions.
3. Liquid dosage forms : Advantages and disadvantages of liquid dosage forms. Excipients used in formulation of liquid dosage forms. Solubility enhancement techniques