Mr. Wedgwood’s Analyjis oj a 
IL produced, the liquor becomes milky, sod .lie marine acid 
is extricated in its ufual white fumes. The mixture, hea e 
nearly to boiling, becomes tranfparent, and afterwards Con- 
Lues fo in the cold. This vitriolic folution rs prec, prated by 
water, and the precipitate is ,e-diflolved by 
The faturated marine foliation is indifpofed to cryfta hze. y 
continued evaporation in gentle heat, it becomes thick arid 
butyraceous, and in .bis (late it boon LqueSes agan^on exp - 
Pure to the air. The butyraceous mafs, in colour wh.t.lh 
p“ e Yellow, is no. corrolive, like the l.mrlar preparations 
mldeVrom fome metallic bodies; nor is it more 
tafte but rather lefs fo than the combination of the lame acid 
with calcareous earth. In a heat increafed nearly to.gmt.on, 
the acid is difengaged, and rifos in white fumes, which re- 
ceived in a cold phial, condenfe into colourlefs drops without 
anv appearance of fublimate. From the remaining white mafs, 
fpirit of nitre extrafts fo little as to exhibit only a (light milki- 
S on adding alkali ; a proof that nearly all the marine acid 
had been expflled ; for, while that acid remains, the whole is 
diffoluble by the nitrous. Prilffian 
The fubftance m quettion is not precipitated by Pruffian 
lixivium. A drop or two of the lixivium do indeed occafion 
little white or bluilh- white precipitation in the faturated m - 
i„e folution , but in the more dilute no turbicfoefs appears t 
the quantity of lixivium is fuch as to produce that effeft by 
mere water; and when the' precipitate has at lengt een 
formed, it re-diflblves in marine acid as eafily as that made y 
water ; whereas the precipira.es refulting from d g urnet, of 
the Pruffian matte, are not afted upon by auds, nil ' that mat 
t «r has been ex, rafted from them by an alkah. For f rthet 
fatisfaftion in this important pomt, the “P”‘ ro 
I 
