42 Transactions of the Royal Canadian Institute 



in a satisfactory way. Titania is what causes trouble throughout, 

 unless special precautions are taken. 



The practical detail of analysis has been taken mainly from publica- 

 tions of the United States Steel Corporation, ^ the items being modified, 

 re-arranged and altered as found necessary. 



The analysis of the pig-iron produced for carbon, silicon and titanium 

 presents no difficulties, and the procedure as laid down by the United 

 States Steel Corporation,'^ has been followed. 



Results 

 Raw Materials 



For the purpose of this investigation, a two ton lot of titano-mag- 

 netite from an Eastern Ontario deposit was crushed, sampled and 

 analyzed, with the following results. 



Analysis OF Iron Ore used 



FeaOi (assumed) 66.59% 



SiOa 7.40 



CaO 3.42 



MgO 4.73 



AI2O3 5.81 



T1O2 11.80 



MnO ." 0.36 



100.11% 



A half-ton lot of common building sand was sampled and analysed 

 for use as flux. 



Analysis of Flux (sand) 



Si02 69.0 % 



CaO 10.30 



MgO ^. 2.64 



AI2O3.: ' \.'....\ 8.29 



90.23%, 

 FeO,K20, Na20 and CO2 not determined. 



^U. S. Steel Corp. — "Methods for the Commercial Sampling and Analysis of — 

 "Pig Iron," 1912; "Iron Ores," 1912; "Plain Steels," 1914; "Alloy Steels," 1915; "Slags," 

 (not yet published). 



