84 



ABSORPTION SPECTRA OF A NUMBER OF SALTS 



Fig. 42, representing the curve of transmission of cobalt sulphate, appears 

 slightly different from the curves of the other salts of cobalt, having better- 

 defined bands in the region of X8000. 



100 



75 



2 

 O 



50 



25 



Cell Depth 10 mm. 

 Concentration 0.347 N 



0.5// 



0.6// 



0.7/< 



0.8// 



Fig. 42. 



0.9// 



V 



1.1// 



1.18 



0.8// 0.9// 



Fig. 43. 



1.18 



