294 PROPERTIES OF ELECTRICALLY CONDUCTING SYSTEMS 



Wave Length. 

 3660 700 800 SCO 



Wave Length. 

 4000 100 200 300 4400 



100 



so 



3,1 



SO 



20 



16 



12.6 



10 



FIG. 57. Absorption Curve of Tri- FIG. 58. Absorption Curves of Aqueous 



chloroacetic Acid in Water(. ) and 

 in Petroleum Ether (X), and of Po- 

 tassium Trichloroacetate in Water 

 (+), and Barium Trichloroacetate in 

 Water(o) as a Function of the Wave 

 Length. 



Solutions of NH 4 (.), K(-f), Ba(X), 

 and Ca(o) Trichloracetates. 



