, 2 gene ‘BOTANIC PHYSICIAN. © 
ve habit, have obtained effectual relief by tuking two or three 
__ 'whiek tooth. It has lately been found to 
assis d head, by being sprinkled over the 
= “Noes iw powers sjage es tngiss con mec 
“Phe most eligi ss for preparing charcoal for medicin 
| uses, joomla ti lad dnecee Bia taste, is to inclose 
small cylinder, having a tube fixed to one 
_ end, and distil them until no more smoke and water escape from the 
CARBONATE. 
Isa generic name for the combinations of the carbonic acid with 
earths, alkalies, and metallic oxyds. ; — 
a meee nost gener: ern ais carbonates in their effervescing 
violently when ar ‘the stronger acids are poured upon them.— 
5 itssbuomces mowing Sabee acids dioclaginn by their greater 
carbonic acid, which flies off.in the form Of, gasi<t4< <- 
__ kaline, the’earthy, and the metallic.’ 1st. The alkaline carbonates 
have an acrimonious taste, tinge vegetable blues green, and are so- 
luble in water, and insoluble in alcohol. 2d. The earthy carbo- 
_ Rates are insipid, and insoluble in water, but soluble in water satura- 
ted with carbonic acid. 3d. The metallic carbonates scarcely differ 
in appearance from the metallic oxyds. 
Cuarx. Carbonate of Lime. 
_ ‘The white chalk, is a carbonate of lime found abundantly in na- 
ture ; it always contains more or less earth, from which, and other 
impurities, it is freed by levigation and washing. It is then termed 
prepared chalk, and is very commonly employed as an antacid. As 
the salt it forms with the acid in the stomach, has no purgative quali- 
ty, it is the one commonly employed-to check diarrhea proceeding 
from acidity. It is given in the dose of one or two drachms, with the — 
addition of a small quantity of any aromatic. The chalk julep wil 
be found a valuable preparation. “3 \goneage 
