ft FER—FER | 149 
* The water is first to be put in a flask—the salts 
then added, and then the sulphuric acid—the 
vessel is to be put away in a cold place. 
_ Decompositions of the salts of iron, of soda, 
: and magnesia, take place in this preparation— 
the acid should not be in excess, else the salt 
of iron would not undergo the necessary de- 
composition. (Paris.) _ Sears 
No. 3. KR Ferri Sulphatis, 
Potasse sub-carbonatis, & 3ss 
Myrrhe, yj 
_ Rubbed together, and add 
; Extract. Gentianz, _ g: s. 
Make 24 pills. Maclean—in Dropsies. 
No. 262.—Frerrum ammontatum. L. Murias am- 
* 
moniz et ferrt. E.D. (Ferrum ammoniacale.. 
P. L. 1737. Flores Martiales. P. L. 1745. 
Ens Veneris. P. L. 1720.) 
Cabinet specimen, Jeff. Coll. No. 296. 
Quatrrizs. In crystalline orange-yellow grains, which de- 
liquesce; smell like saffron—taste 2 5 per eae salt, 
varying according to the degree of heat employed imits 
preparation—a mixed mass, consisting of sub-muriate of 
ammonia, and sub-muriate of iron, the metal being in a 
state of red oxide. According to Mr. Philips, the salt 
prepared by direction of the London Col i 
contains a portion of sub-carb. of ammonia—f3j water 
dissolves Ziv of the salt—very soluble in alcohol. 
Meprcalc PRorerties aNp Uses. Tonic and aperient—re- 
puted emmenagogue; if so, it is by the properties just no- 
ticed—was formerly much used in epilepsy, scrofula, 
hysteria, chlorosis, and rickets; but being uncertain in its 
effects, disusage has been the result. Dose, grs. iij to grs. 
xv twice or thrice a day. Is impure, when of a pale. 
yellow colour; in which case, it must be re-sublimed. _ 
Orric. Prev. Tinciura ferri ammoniati. L. 
Formule— 
No.1. RK Ferri ammoniati, 
Extract, Gentiane et 
Extract. Aloe, 4a 3ss 
Triturated together, and divided into 30 pills, of 
which 2, a dose, three times a day. Tonic and 
purgative. 
No.2. BR Ferri ammoniati, gr. v 
Rhei Radicis contrit. grs. iij =. 
Make a powder, which may be taken daily, in 
any convenient vehicle. Tonic. 
