on the spark spectra of palladium, rhodium and ruthenium. 337 



X 



dX/X 2 



In- 

 tensity 







+ 1-77 



3 





3528-1 







2 







-1-75 



3 







+ 1-36 



4 





3507-4 







2 







-1-35 



4 





34989 







The constituents are too weak to measure. 





+ 1-47 



5 





3479-0 







3 







-1-49 



5 





3477-9 







do. 

 1 The middle number removed by calcite. 



3470-5 



+ 0-51 

 



3 



2 





-0-51 



3 



) 





+ 1-29 



6 





34404 







4 







-1-29 



6 





3434-3 



+ 1-73 





 -1-71 



3 



4 

 3 



\ The middle constituent is not so strong as the 

 I two outside ones. (Compare Pd. 3404-4, 

 ) p. 328.) 





+ 1-63 



6 





3412-2 







4 







-1-64 



6 







+ 1-53 



6 





3399-7 







4 







-1-54 



6 





3396-7 



+ 1-76 





 -1-78 



2 

 2 

 2 



| The 3 constituents appear to be equally strong. 

 r Compare 3658-1. 



Ir J 3323-0 



+ 1-53 





 -1-53 



3 

 2 

 3 



) The middle constituent is only a shade stronger 

 than the two outside. 



