60 







C. J. WHITE, 



NaOl .. 



. ... 



... 27*370 gms. per kilo 



MgOl 2 .. 



. 



... 3*884 



MgS0 4 .. 





... 1-667 



CaS0 4 .. 



. 



... 1*264 



K 2 S0 4 .. 





... -887 



MgBr 2 .. 



. 



... -072 



MgO (by 



differen 

 Total 



3e) ... -048 





... 35*192 



Expressing these results in terms of 100 of halogen cal- 

 culated as chlorine (Dittmar's method) we get the following 

 comparison : — 





Ooog( 



3e, N.S.W. 



Dittmar 



/Average of\ 

 \77 analyses/ 



01... 



... ... 



99*858 



99*848 



Br... 



... ... 



•320 



•340 



So 3 



... ... ... 



11-810 



11*576 



CaO 



... ... ... 



3-014 



3*026 



MfiO 



... ... ... 



11*214 



11*212 



KoO 



... ... ... 



2-464 



2*405 



Ma 2 



... ... 



74*604 



74*462 



Oxygen 



equivalent to CI. 





. - 12*492 



In connection with the above piece of work I wish to 

 express my grateful appreciation of the help and suggestions 

 of Professor Liversidge, f.r.s. 



