340 S. P. Sadtler on Iridium Compounds. 
sticking very pertinaciously to the iridium salt. The processes 
in use also leave much to be desired in the way of completeness 
and expedition 
The method selected for separation was the method of Birn- © 
iridium oxide went very readily into solution in the fused ¢ 
ide of potassium. Taking, th 
i d 
applied to get the mass into full fusion. - Another modification 
oxide and finely pulverized cyanide of potassium to it, in smal 
 oesieea at a time 
cyanides does not oceur so readily. It is true, that adding the 
the compound is kept in the fused sta 
nee, however, leads me to prefer this latter 
y us 
ae excess of free KCy. This is meee & 
solution 
ice cece ie Aine 
abe Roe eae eer ea Sede Ray ae nh 
