46 



Studies on Solution. 



.0900 _ 



.0800 _ 



.0200 _ 



.0100 



1.4 



1.2 



.0 



600 700 800 900 



Fia. 14. The Absorption Curves for Cobalt Sulphate in Water. 



Jones and Anderson 1 also shows the constancy of A for wave-lengths 

 on the long wave-length side of the yellow-green absorption band of 

 an aqueous solution of cobalt sulphate. 



'Carnegie Inst. Wash. Pub. No. 110. 



