50 



MERRILL AND STOKES 



50.04 



49.86 



From analysis II is deduced the percentage composition of 

 the metal, as follows : 



Fe 

 Cu 



Ni 

 Co 



91.42 

 .046 

 7.87 

 .66 



99.996 



From analyses I and II the composition of the total stony 

 portion is as follows : 



' By diflcrence. 



''The figures for alkalies are not to be implicitly depended on, owing to the 

 possible partial substitution of Na^jO for K^O during digestion with caustic soda. 



