( II ). 



We lijive, therefure, not rcpwiUMl ('ii \i j^ikk's c\|H-iim('ii! with ilii> 

 cell. Wiieii we coiisiilei- lli.it cells with very dilute solutions show 

 deviations mnounting to t> inillivoll, we caimot »>.\pect luiicli from 

 measureuients with an element of the kind deserihed. 



12. The sul)j(Mned table contains the results of our nieasnrenients. 

 Below 1 and II are j)laced the values of the K. M. K. which we 

 found for the same cell in independent e.vpei-iments. Kr-om thes(! 

 ligures it mav at the same time he seen in how far the said cells 

 may he reprotluced. 



TABLE [I. 



15. From this taltle it will he seen at once that a maximum 

 value of the E.M.F. at about '/., oram of ZnS( ), .7 ll.^O to KKIorams 

 of water, as C'n.viDiKK claims to ha\'e found, does not e.xisl. The 

 progressive change of the values is on the c<tntrarv, (juitc in harmony 

 with the e([uati(m given hy Nkknst, which shows a decrease (»f the 

 E. M. V. for an increase of the couc(>utration of the /.'ww sulphate. 

 It would be superfluous to criticise the other conclusions (»f( 'h.udikk 

 as these arc based on. the ligures discu.ssed. 



Utrecht, April 1903. 



