100 



50 



30 

 20 



10 



or 



3 



Rmf 



(Rw)< 



+ 50 -50 -100 



STATIC SP (mv) 

 Figure 14-8. R„„ determination from the SP. 



-150 



-200 



essentially sodium chloride, R m //R w can be generally obtained from a chart 

 such as Figure 14-8. 



Several curves are traced on Figure 14-8 corresponding to different values 

 of the K coefficient. These values are the theoretical ones, computed for differ- 

 ent temperatures. 



284 



