12 1 Scientific Proceedings, Royal Dublin Society. 



must be corrected by the factor for dissociation 



1 - ,. = ( 1 - ykjc ) 



or 



dx a - X .- ^/a - x 



The equation becomes :- 



y 



a- X - 



ft^k 



JH — l 



«_/^Vr 



V- V 



I' 



- 1 



since initial dissociation 



V 



a 



\a - X 



Substituting these values 



V 



or Ijy obvious approximations 



a/ (Aj — \JU — 



V - V 



•v/a 





1 r- (<t„ - «) 



t^ 



- 1 



M_ 



F 



v/« 



^-1 



1 ( ^ ^ ' 



or 



log(a-a;) = /ttlog(F-'y)-Mlog^+log«+21og I--3T ■ "■'(l-yr~ 



log a - log (a - «) _ 

 log V - log ( F - ■v) 



2^°g[l-^-[l 



^-1 



F \ 2 - 



F-v 



log F - log ( F - -y) 



