ALCOHOL. 135 



Characters. Colourless, transparent, with a pleasant odour, 

 and strong spirituous burning taste. Specific gravity, % 838. 



Impurities. Water ; tested volumetrically. Amylic alcohol, 

 beyond a trace ; detected by excessive reduction of AgN0 3 , 

 Resin or oil ; giving turbidity on dilution with water. 



Preparation. 



Spiritns Tenuior. Proof Spirit. Alcohol with 

 51 per cent, of water. Made by mixing 5 parts of recti- 

 fied spirit with 3 parts of water. Specific gravity, 

 0-920. 



3. S nil-it US Vim Gallici. Brandy. Spirit dis- 

 tilled from French wine. 



Characters. A spirit of a light sherry colour, and peculiar 

 flavour ; contains about 53 per cent, of alcohol, with some 

 volatile oil, and cenanthic ether. 



Preparation. 



Mistura Spiritus Vini Gallici. " Brandy Mixture," 

 "Egg Flip." Brandy and Cinnamon Water, of 

 each 4 oz. ; Yolks of two Eggs ; Sugar, oz. Dose, 1 to 

 2 fl.oz. 



4. \ tmilil Xericiim* Sherry. A Spanish wine. 

 Characters. Pale yellowish brown, containing 17 or 18 per 



cent, of alcohol ; with colouring matter, ethereal compounds, acid 

 tartate of potash, malates, sugar, etc. 



Preparations. 



The following Vina : Aloes. Antimoniale, Colchici, 

 Ferri, Ipecacuanhas. Opii. Rhei. 



Vinum Aurantii is made by fermentation of a sac- 

 charine solution; Vinum Feni Citratis and Vinum 

 Quiniae are made from Vinum Aurantii. 



Amount of Alcohol (absolute, by weight] in the various substancet 



containing it. 

 Absolute Alcohol. 

 Alcohol (U.S.P.), 91 per cent. 

 Spiritus Rectificatus, 84 per cent. 

 Alcohol Dilutum (U.S. P.), 45*5 per cent. 

 Spiritus Tenuior, 49 per cent. 



Spiritus Vini Gallici (Brandy), about 39 to 47 per cent. 

 Spiritus Frumenti (Whisky), about 44 to 50 per cent. 

 Rum ) 



Gin about 40 to 50 per cent. 



Strong Liqueurs j 



