44 A/r- Henry on the Preservation 
ounce of common culinary fait; and a third was 
kept as a ftandard, without any addition. The 
mouths of the bottles being loofely covered with 
paper, they were expofed to the action of the fun, 
in fome of the hotted; weather of the laft fummer. 
In about a week, the ftandard became very 
ofrenfive; and the water, with the additional 
quantity of fait, did not continue fweet many 
hours longer; whereas, that with lime, continued 
many months, without ever exhibiting the lead 
marks of putridity. 
ft feemed probable, that all, or fome, of three 
changes had been effected by this procefs. It 
was fufpefted, that quicklime might decompofe 
the marine fait, with alkaline bafis; a power 
•which it has lately been fuppofed to poffefs, 
under certain circumftances: or that its antifep- 
tic powers might depend on the formation of a 
lime water •, by either of which, a material, and, 
perhaps, unfavourable, alteration might be pro¬ 
duced : or laftly, that the precipitation of the 
earthv bafis of the magnefian fait, by the quick¬ 
lime, might contribute to the prefervation of 
the fea water. 
EXPERIMENTS II. & III. 
On fubmitting the water to which the lime had 
been added, to the common trials for dete&ing a 
difengaged alkali, no figns of fuch a fait were 
dilcovered. And upon blowing into it a long 
continued 
