76 MATER i A MEDIC A AND THERAPEUTICS. 



C Tinctura Ferri Acetatis. Tincture of 

 Acetate of Iron. 



Source. Made by adding Acetate of Potash and 

 Eectified Spirit to the Solution of the Persulphate, 

 and filtering. Fe 2 3S0 4 + 6KC 2 H 3 2 = Fe^C^C^ 

 -f- 3K 2 S0 4 . 



Characters. A deep brown liquid, 



J)ose. 5 to 30 min. 



4. Ferri Sulphas Oraiiulata. Granulated Sul- 

 phate of Iron. FeS0 4 .7H 2 O. 



Source. Made by pouring a solution of Iron "Wire in 

 Diluted Sulphuric Acid into Eectified Spirit, stirring the mix- 

 ture ; and drying. 



Characters. Small, pale green granular crystals. Solu- 

 bility, 1 in 1| of water, insoluble in spirit. 

 "impurities. Same as of Ferri Sulphas. 

 Dose. 1 to 5 gr. 



Preparation. 



Syrupiis Ferri Phosphatis. 1 gr. of Ferri Phos- 

 phas in 1 fl.dr. 



Source. Made by precipitating a solution of Granu- 

 lated Sulphate of Iron with a mixed solution o"f Phos- 

 phate and Acetate of Soda, dissolving the precipitate 

 in Diluted Phosphoric Acid, and adding Sugar. 



Characters. Colourless, becoming brown. 1 fl.dr. 

 contains 1 gr. of Ferri Phosphas (Fe 3 P a 8 ). 

 Dose. 1 to 4 fl.dr. 



5. Ferri lodidiim. Iodide of Iron. FeI 2 . 

 Source. Made by boiling Iron Wire and Iodine in Water, 



and evaporating. 



Characters. Crystalline, green with a tinge of brown, 

 inodorous, deliquescent. Consists of iron, 1 ; iodine, 4 ; water, 

 lj. Solubility, 1 in 1 of water. 



Dose. 1 to 5 gr. 



6 Pilula. Ferri lodidi. Made by mixing a solution 

 of Iron Wire and Iodine in Water, with Sugar and Liquorice. 

 1 in 3. Dose, 3 to 8 gr. 



7. Svriipus Ferri lodidi. Made by mixing a 

 solution of Iron Wire and Iodine in Water with Syrup. Colour- 

 less. 4-3 gr. in 1 fl.dr. Dose, 20 to 60 min. 



S. Ferri IVrchloridi. Liquor Fortior. 



Strong Solution of Perchloride of Iron. 



