PILUL/E. UNGUENTA. 



Cut open a sample of each pill and report (continued) : 



65 



Dissolve 3 Pills of ferrous carbonate in 15 mils dil. HoSO^ add 85 mils distilled 

 water. Titrate immediately with tenth-normal KoCroO? V. S., using Iv4Fe(CN)6 



as indicator. Each mil of titer used corresponds to 0.011584 Gm. FeCOs. 



*^f - 

 What is the strength dT your sample? - 



UNGUENTA. 



Ointments are fatty preparations of such consistency as to melt and spread rapidly 

 at body temperatures. Formerly extensively used as protective surgical dressings, 

 they are now principally employed for the treating of skin affections, and for 

 inunctions. 







Make the official Unguentum Hydrargyri Ammoniati as follows: Melt 25 Gm. 

 white petrolatum ; take 5 Gm. of it and rub it thoroughly with 5 Gm. finely powdered 

 ammoniated mercury; then add the balance of the petrolatum and 20 Gm. hydrous 

 wool fat; mix thoroughly, and continue stirring the mixture until it congeals. 

 Appearance Odor 



Color _ Consistency 



Examine the following official 'Ointments : 



