58 



TiNCTURA loDi — Solution 



Iodine 3.5 Gm. 



Potassium Iodide 2.5 6m. 



Distilled water 3.5 mils 

 Alcohol, a sufficient quantity 



to make 50.0 mils 



Dissolve the potassium iodide in the distilled water contained 

 in a bottle graduated to 100.0 mils ; add the iodine and agitate the 

 mixture until solution is affected. Then add sufficient alcohol to 

 make 50 mils of Tincture and mix thoroughly. 



TiNCTUEA Aloes — Maceration 



Purified Aloes, in No. 40 powder 10.0 Gm. 



Glycyrrhiza, in No. 40 powder 20.0 Gm. 



to make 100.0 mils 



Prepare a tincture by the Type Process M, using diluted alcohol 

 as a solvent. 



TiNCTURA ZiNGiBERis — Tincture of Ginger 

 Jamaica Ginger,, in No. 30 powder 20.0 Gm. 



to make 100.0 mils 



Prepare a tincture by the Type Process P, using alcohol as the 

 menstruum. 



FLUIDBXTRACTA— FLUIDEXTRACTS 



Fluidextracts are concentrated liquid preparations of vege- 

 table drugs, containing alcohol either as a solvent or preservative 

 and bearing a uniform relation to the drug used so that one mil of 

 the fluidextract closely represents the activity of one gram of the 

 air dried powdered drug of standard quality. They possess the 

 following advantages over tinctures: 1. They have a definite 

 strength, representing 100% of the activity of the crude drug, con- 

 sequently the dose is the same as for the crude drug and need not 



