154 Kir wan’s Experiments on Hepatic Air . 
then 53 0 ; and when it inflamed before, the temperature 
was 68°. 
From thefe few experiments, which the fmall quantity of 
air I then obtained did not fuffer me to repeat, I think we may 
conclude, that phofphoric air is nothing elfe but phofphorus 
itfelf in an aerial ftate, and differs from fulphur in this, among 
other points, that it requires much lefs latent heat to throw it 
into an aerial form, and hence may be difengaged from fixed 
alkalies, without the affiftance of an acid. 
