1896 DesCoudres] _ ABSTRACT 33 



KjCrjO, and K.^COj o.i in W Cr,0, lex 0.00044 0.00047 

 NaCjHjO, 0.07m W II lex 0.000065 0.00030 



1895. W. C. D. Whetham. 



On the Velocities of the Ions. Phil. Trans., 1S6, A, 507. 



An extension of the author's work in 1892 and 1894. The 

 same apparatus was employed. The solutions were solidified 

 by the use of agar agar. The rate of extension of the precipi- 

 tate formed at the surface of contact was measured ; the cur- 

 rent being passed in one direction only. The experiments were 

 carried out at from 8-17° and corrected for 18°. The solutions 

 were o.i m. 



BaCl^ ; and NaCl + " a little " NajSO^ 

 CaClj ; and NaCl + " considerable " Na^COj 

 AgNOj-, and NaNOj + " a little " NaCl 

 Na.,SOi; and NaCl + BaClj 



1896. C. Cattaneo. 



Ueber den Einfluss des Ldsungsmittels auf die Geschwindigkeit der lonen. 

 Beibliitter, ^/, 749 (from Rendic. R. Ace. del Lincei (5), J, 2 Sem. 207; 6, 

 I Sem. 279. Nuovo Cim. (4), 6, 140.) 



With sodium chloride and ammonium chloride a Pt cathode 

 and a Zn or Cd anode was used ; with hydrochloric acid the 

 anode was of Au or Cu. 



NaCl 



NH.Cl 



HCl 



1896. Th. DesCoudres. 



Messungen der elektromotorischen Kraft Colley' schen Gravitationselemente. 

 Wied. Ann., j7, 232. 



From measurements of the E.M.F. of gravitation cells with 

 electrodes of Hg/HgjClg the author deduced the following values 

 for n. 



Proc. Wash. Acad. Sci., June, 1907. 



