146 



THE JOURNAIv OF PHARMACOLOGY. 



8. Nimethe chief constituents of Griffilh's Mixture. Why does the Pharmaco- 

 poeia direct that it be freshly made, when wanted ? 



9. Name the two o^ciaX aimnoniated tinctures and state what menstruum is em- 

 ployed in their manufacture. 



10. How is Glycerituni Botoglycerini prepared ? What changes occur when water 

 is added to it ? 



11. You have 4 grammes of Morphine Sulphate. After subtracting the quantity 

 necessary to produce 120 grammes of Tully's Powder, how many fluid drachms of 

 Magendie's Solution can be prepared from the remainder ? 



12. What change sometimes takes place in Tincture of Iodine upon standing ? 

 How does this influence its miscibility with water ? 



13. How is Aromatic Sulphuric Acid prepared ? Name all its constituents. 



14. Why should Tincture of Ferric Chloride be kept protected from light and why 

 should it stand at least three months before using ? 



15. Liquor Ferri Subsufphatis : 

 (a) State how it is prepared. 

 (6) Give its synonym. 



[c) How would you distinguish it from Liquor Ferri Tersulphatis ? 



16. You have a stock solution of Bichloride of Mercury, containing 5 grains in each 

 fluid drachm. How much of this will you have to take to make i gallon each, of so- 

 lutions containing : 



(rt) I — 1000. 



{^) 0.05 %. 



It may be assumed that the stock solution has the same S/G. as water. 



17. Name three general incoinpa tidies of each of the following : 

 {a) Emulsions. (c) Infusions. 

 {b) Alkaloids. {d) Fixed Oils. 



18. Give an outline of the official process for the preparation of Extract of Nux 

 Vomica, and name its active constituents. 



19. Give the peicentag-e strength of each of the following : 



