: - 
* 
~ 
* 2 
- ACI—ACI 
<4 ; 
portion, evolves caloric during the combination ; cor- 
rodes every thing but gold, platina, glass, and earth- 
enware. 
Henry’s aromatic vi is an acetic solution of cam- 
phor, oil of cloves, lav , and rosemary. An ex- 
temporaneous similar preparation may be made, by 
i acetate of potass, M. xx. of sulphuric acid, and a 
ew drops of some fragrant ea | oil. Both useful, 
when applied to the nose in fainting, &c. 
No, 14.—Acipum Crrricum. L. Acidum citricum 
crystallis concretum. D. Citric acid. 
Acids of lemons, limes, &c. 
Cabinet specimen, Jeff. Coll. No, 15. 
Qvatitizs. Pure, is in white, semi-transparent, per- 
sistent, rhomboidal prisms—or two four-sided pyra- 
ids, joined at their bases. Inodorous ; intensely 
acid, su ustic taste ; soluble in cold and hot water: 
£3i, cold, dissolves 3x—same quantity, boiling, dis- 
solves 3ij. One ounce of the crystals, dissolved in one 
pint water, equivalent to one pint lemon-juice ; if not 
caréfully kept, the solution undergoes spontaneous 
decomposition ; combines with alkalies, earths, and 
metallic oxides, forming citrates of them. Decom- 
posed by sulphuric nitric acids. Sophisticated 
with tartaric acid, whith may be detected by adding 
to the solution muriate of potass, or saturating it 
with carbonate of potass, when an insoluble super- 
tartrate, in small brilliant crystals, will be formed. 
"+. Adulterated also with citrate of lime,,which may be 
- _” known by dissolving the crystals in water, salinating 
the solution with ammonia, and adding to it some 
oxalate of that substance, which will precipitate it 
instantly. 
Menicat Properties anv Usks. One ounce to a pint _ 
of water, used as a substitute for recent lemon-juicey® 
3 _in scurvy, both as a prophylactic and remedy. Thou; 
: not “y to that juice in this disease, it is eq 
good for making the effervescing draught, with car- 
bonate of potass, Used also in all affections in which 
fresh lemon juice is proper. A solution of Bj, nm a 
- pint of water, sweetened with sugar that has been — 
_» pubbed on fresh lemon-peel, is a grateful lemonade, 
-» im febrile and inflammatory complaints. : 
‘Dr. Paris has given the following table of equiva- _ 
Bn 
