50 J. W. Mallet on Osmious Acid. 
At first it seemed probable that the yellow color of the latter 
was due merely to some impurity, and it was therefore cautiously 
resublimed, but it again collected of the same tint as before. 
appeared to be even more fusible and volatile than osmic acid; 
it took a Jong time to congeal under a stream of cold water flow 
ARE ONET the outside of a tube in which it had been melted. 
has not been carefull: a will & crs 
. y removed will often cause osmic acid to 
bee pein Ee exhibits anything like the absolute black- 
t is sil 
stance. P : Hg of the whole tube noticed in the present 12 
,, A rose-red color is also characteristic of the salt supp Berzelius to be 
tha steesonit lorid of osmium, eocrvepanding i, the shiorine-toniee o-nandte Ml 
