Chronopotentiometry was used to study cathodic processes which occurred in molten solutions of NiCl2 in alkali metal chloride melts. The diffusion coefficients for Ni ions in the melts were determined (table 86), and the presence of complex ions was established.

Y.K.Delimarskii, V.F.Grishchenko, N.J.Parkhomenko: Elektrokhimiya, 1976, 12[2], 200-5

 

 

Table 86

Diffusivity of Ni Ions in Molten KCl at 805C

 

NiCl2 (/cm3)

D (cm2/s)

1.50

2.54 x 10-5

1.51

2.52 x 10-5

2.00

2.09 x 10-5

4.00

2.20 x 10-5

5.00

2.41 x 10-5

8.00

2.52 x 10-5

9.00

2.08 x 10-5