BAXTER. — ATOMIC WEIGHT OF CHROMIUM. 



415 



SERIES II. 

 2 AgBr : Ag 2 Cr0 4 



-^- = 0.574453 33 

 AgBr 



Sample I 

 Sample II 

 Sample III 

 Sample IV 



2AgBr : Ag 2 Cr0 4 



1.13205 

 1.13204 

 1.13208 

 1.13214 



Sample II 

 Sample IV 



2AgCl : Ag 2 Cr0 4 



0.86409 

 0.86411 



If anything, Samples I and II show a somewhat lower percentage of 

 silver than Samples III and IV. These samples were made from ammo- 

 nium chromate which contained a slight excess of chromic acid. This 



83 Baxter, These proceedings, 42, 201 (1906). 



