Assignment 2: Answer all questions. (marks 25) [> 1000 words]

A. Draw a schematic showing the steps involved in the manufacture of tablets?

[2 marks]

B. Describe in detail any seven of the steps listed in part (A), including the equipment required for such a process to occur, any equations used in the development of such a process and the mechanism of action if applicable. [14 marks]

C. What formulation strategy would you employ to bypass the absorption of the drug in the stomach. [ 2 marks]

D. Following tablet compression, 10 tablets were dusted and found to weigh 8.98 g. After removal from the friability tester they were dusted and re-weighed and collectively found to weigh 7.86 g. Discuss the significance of these results and suggest an appropriate method to improve them. [3 marks]

E. Preliminary tests on the blend found the tapped density was 8 and bulk density was 4, Calculate Carr’s compressibility index. Discuss the significance of these results and suggest an appropriate strategy to overcome any problems associated with this new powder blend [4 marks]