COBALT CHLORIDE. 



141 



Cobalt chloride, dissolved in methyl and ethyl alcohols and acetone, gives 

 rise to a number of color phenomena. Spectroscopic observations concerning 

 the color changes of cobalt chloride in water, methyl and ethyl alcohols, 

 acetone, and binary mixtures of these solvents have been carried out in the 

 physical chemical laboratory of the Johns Hopkins University by Jones 

 and Uhler. The results of this work have been published by the Carnegie 

 Institution of Washington. 1 



25^ 507. 



Percentage of Acetone 



FIG. 61. CONDUCTIVITY OF LITHIUM BROMIDE IN MIX- 

 TURES OF ACETONE AND ETHYL ALCOHOL AT 25. 



Hydrolysis probably comes into play, to some extent, in the more dilute 

 lueous solutions. 



TABLE 71. Conductivity of cobalt chloride. 



Publication No. 60, "Hydrates in Aqueous Solution." 



