rocured by the solution of it 
sal g into barrels and allowed to — 
crystallize, is the article met with generally in commerce. 
Quauitizs. Has the property of retarding, and in some 
instances of preventing, the acetous fermentation of vege- 
tables. Added to common paste, it prevents it from be- 
_ coming sour, and hence is used to give firmness to paste 
_ used by bookbinders and paper-hangers ; such paste may 
_be kept for weeks in winter. Animal substances, as glue, 
are preserved by it ina similar manner. - E. 
purgative. 
Boerhaave’s astringent powder for the ague, consisted of 
alum and nutmeg, with the addition of Armeniap bole 
peculiarly nated to 
