SlYSTEM OF' 
liquor Jilicum *, and with a pure argilfe 
ceous earth, diffolving it without anv/?/ 
fermentation : with both thefe earths it 
makes alum. 
7. It has a ftronger attradlion to the in*- 
flammable fubftance, than to the alcaline 
fait, and forms with it a body, which* 
properly may be called the rdnerat 
fulphur. 
8. When it is perfe^lly united with phlo- ' 
giftic fubftances belonging to the ve- 
getable kingdom, and the water has^ 
been perfectly feparated, this mixture 
catches flame in the open air, and is 
Gonfumed, as may be feen by the powder 
called Pulvis pyrophorus, 
5. It attra6ls water flrongly, and the 
aqueous vapours out of the air : and if 
a great quantity of water is added to it 
at oncCy a ftrong heat arifes. 
IG. It unites readily and eafily with the 
alcalis, whereby, according to their na- 
ture, different compounds are produced^, 
which have obtained the names of "Par- 
tarns dtriolatus^ fal mirahile^ zxAJal am.- - 
moniacum jimm. 
SECT, cxxm 
The vitriolic acid mixed or faturatedj^ 
Acidur/i vitrioli aliis corporihus faturatiim. 
A* .With metals, Metallis faturatum. Vitri^- 
ola^ Vitriols. 
a. Simple vitriols, Vitriola Jimplicia. 
I . Martial vitriol, green vitriol or cop- 
peras, Vitriolum martis fmplex. 
This 
